diff --git a/include/openvswitch/meta-flow.h b/include/openvswitch/meta-flow.h
index 045dce8f5..3b0220aaa 100644
--- a/include/openvswitch/meta-flow.h
+++ b/include/openvswitch/meta-flow.h
@@ -2366,6 +2366,10 @@ void mf_format_subvalue(const union mf_subvalue *subvalue, struct ds *s);
 void field_array_set(enum mf_field_id id, const union mf_value *,
                      struct field_array *);
 
+/* Mask the required l3 prerequisites if a 'set' action occurs. */
+void mf_set_mask_l3_prereqs(const struct mf_field *, const struct flow *,
+                            struct flow_wildcards *);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/meta-flow.c b/lib/meta-flow.c
index c576ae620..474344194 100644
--- a/lib/meta-flow.c
+++ b/lib/meta-flow.c
@@ -3676,3 +3676,28 @@ mf_bitmap_not(struct mf_bitmap x)
     bitmap_not(x.bm, MFF_N_IDS);
     return x;
 }
+
+void
+mf_set_mask_l3_prereqs(const struct mf_field *mf, const struct flow *fl,
+                       struct flow_wildcards *wc)
+{
+    if (is_ip_any(fl) &&
+        ((mf->id == MFF_IPV4_SRC) ||
+         (mf->id == MFF_IPV4_DST) ||
+         (mf->id == MFF_IPV6_SRC) ||
+         (mf->id == MFF_IPV6_DST) ||
+         (mf->id == MFF_IPV6_LABEL) ||
+         (mf->id == MFF_IP_DSCP) ||
+         (mf->id == MFF_IP_ECN) ||
+         (mf->id == MFF_IP_TTL))) {
+        WC_MASK_FIELD(wc, nw_proto);
+    } else if ((fl->dl_type == htons(ETH_TYPE_ARP)) &&
+               ((mf->id == MFF_ARP_OP) ||
+                (mf->id == MFF_ARP_SHA) ||
+                (mf->id == MFF_ARP_THA) ||
+                (mf->id == MFF_ARP_SPA) ||
+                (mf->id == MFF_ARP_TPA))) {
+        /* mask only the lower 8 bits. */
+        wc->masks.nw_proto = 0xff;
+    }
+}
diff --git a/ofproto/ofproto-dpif-xlate.c b/ofproto/ofproto-dpif-xlate.c
index dee4c7d63..c01177718 100644
--- a/ofproto/ofproto-dpif-xlate.c
+++ b/ofproto/ofproto-dpif-xlate.c
@@ -5215,6 +5215,7 @@ compose_dec_ttl(struct xlate_ctx *ctx, struct ofpact_cnt_ids *ids)
     }
 
     ctx->wc->masks.nw_ttl = 0xff;
+    WC_MASK_FIELD(ctx->wc, nw_proto);
     if (flow->nw_ttl > 1) {
         flow->nw_ttl--;
         return false;
@@ -7132,6 +7133,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
         case OFPACT_SET_IPV4_SRC:
             if (flow->dl_type == htons(ETH_TYPE_IP)) {
                 memset(&wc->masks.nw_src, 0xff, sizeof wc->masks.nw_src);
+                WC_MASK_FIELD(wc, nw_proto);
                 flow->nw_src = ofpact_get_SET_IPV4_SRC(a)->ipv4;
             }
             break;
@@ -7139,12 +7141,14 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
         case OFPACT_SET_IPV4_DST:
             if (flow->dl_type == htons(ETH_TYPE_IP)) {
                 memset(&wc->masks.nw_dst, 0xff, sizeof wc->masks.nw_dst);
+                WC_MASK_FIELD(wc, nw_proto);
                 flow->nw_dst = ofpact_get_SET_IPV4_DST(a)->ipv4;
             }
             break;
 
         case OFPACT_SET_IP_DSCP:
             if (is_ip_any(flow)) {
+                WC_MASK_FIELD(wc, nw_proto);
                 wc->masks.nw_tos |= IP_DSCP_MASK;
                 flow->nw_tos &= ~IP_DSCP_MASK;
                 flow->nw_tos |= ofpact_get_SET_IP_DSCP(a)->dscp;
@@ -7153,6 +7157,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
 
         case OFPACT_SET_IP_ECN:
             if (is_ip_any(flow)) {
+                WC_MASK_FIELD(wc, nw_proto);
                 wc->masks.nw_tos |= IP_ECN_MASK;
                 flow->nw_tos &= ~IP_ECN_MASK;
                 flow->nw_tos |= ofpact_get_SET_IP_ECN(a)->ecn;
@@ -7161,6 +7166,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
 
         case OFPACT_SET_IP_TTL:
             if (is_ip_any(flow)) {
+                WC_MASK_FIELD(wc, nw_proto);
                 wc->masks.nw_ttl = 0xff;
                 flow->nw_ttl = ofpact_get_SET_IP_TTL(a)->ttl;
             }
@@ -7228,6 +7234,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
 
             /* Set the field only if the packet actually has it. */
             if (mf_are_prereqs_ok(mf, flow, wc)) {
+                mf_set_mask_l3_prereqs(mf, flow, wc);
                 mf_mask_field_masked(mf, ofpact_set_field_mask(set_field), wc);
                 mf_set_flow_value_masked(mf, set_field->value,
                                          ofpact_set_field_mask(set_field),
@@ -7284,6 +7291,7 @@ do_xlate_actions(const struct ofpact *ofpacts, size_t ofpacts_len,
 
         case OFPACT_DEC_TTL:
             wc->masks.nw_ttl = 0xff;
+            WC_MASK_FIELD(wc, nw_proto);
             if (compose_dec_ttl(ctx, ofpact_get_DEC_TTL(a))) {
                 return;
             }
diff --git a/tests/ofproto-dpif.at b/tests/ofproto-dpif.at
index 222415ac0..62291de4a 100644
--- a/tests/ofproto-dpif.at
+++ b/tests/ofproto-dpif.at
@@ -849,7 +849,7 @@ table=2 ip actions=set_field:192.168.3.91->ip_src,output(11)
 AT_CHECK([ovs-ofctl -O OpenFlow12 add-flows br0 flows.txt])
 AT_CHECK([ovs-appctl ofproto/trace br0 'in_port=1,dl_src=50:54:00:00:00:05,dl_dst=50:54:00:00:00:07,dl_type=0x0800,nw_src=192.168.0.1,nw_dst=192.168.0.2,nw_proto=1,nw_tos=0,nw_ttl=128,nw_frag=no,icmp_type=8,icmp_code=0'], [0], [stdout])
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,eth,ip,in_port=1,nw_src=192.168.0.1,nw_frag=no
+  [Megaflow: recirc_id=0,eth,icmp,in_port=1,nw_src=192.168.0.1,nw_frag=no
 Datapath actions: 10,set(ipv4(src=192.168.3.91)),11,set(ipv4(src=192.168.3.90)),13
 ])
 OVS_VSWITCHD_STOP
@@ -912,7 +912,7 @@ AT_CHECK([ovs-appctl ofproto/trace br0 'in_port=1,dl_src=50:54:00:00:00:05,dl_ds
 # Must match on the source address to be able to restore it's value for
 # the second bucket
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,eth,ip,in_port=1,nw_src=192.168.0.1,nw_frag=no
+  [Megaflow: recirc_id=0,eth,icmp,in_port=1,nw_src=192.168.0.1,nw_frag=no
 Datapath actions: set(ipv4(src=192.168.3.90)),10,set(ipv4(src=192.168.0.1)),11
 ])
 OVS_VSWITCHD_STOP
@@ -944,7 +944,7 @@ done
 AT_CHECK([ovs-appctl dpctl/dump-flows | sed 's/dp_hash(.*\/0xf)/dp_hash(0xXXXX\/0xf)/' |  sed 's/packets.*actions:/actions:/' | strip_ufid | strip_used | sort], [0], [dnl
 flow-dump from the main thread:
 recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(frag=no), actions:hash(sym_l4(0)),recirc(0x1)
-recirc_id(0x1),dp_hash(0xXXXX/0xf),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(src=192.168.0.1,frag=no), actions:set(ipv4(src=192.168.3.90)),10,set(ipv4(src=192.168.0.1)),10
+recirc_id(0x1),dp_hash(0xXXXX/0xf),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(src=192.168.0.1,proto=1,frag=no), actions:set(ipv4(src=192.168.3.90)),10,set(ipv4(src=192.168.0.1)),10
 ])
 
 OVS_VSWITCHD_STOP
@@ -959,7 +959,7 @@ AT_CHECK([ovs-appctl ofproto/trace br0 'in_port=1,dl_src=50:54:00:00:00:05,dl_ds
 # Must match on the source address to be able to restore it's value for
 # the third bucket
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,eth,ip,in_port=1,nw_src=192.168.0.1,nw_frag=no
+  [Megaflow: recirc_id=0,eth,icmp,in_port=1,nw_src=192.168.0.1,nw_frag=no
 Datapath actions: set(ipv4(src=192.168.3.90)),10,set(ipv4(src=192.168.0.1)),11
 ])
 OVS_VSWITCHD_STOP
@@ -1536,17 +1536,17 @@ AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
 AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=111,tos=0,ttl=2,frag=no)' -generate], [0], [stdout])
 AT_CHECK([tail -4 stdout], [0], [
 Final flow: ip,in_port=1,vlan_tci=0x0000,dl_src=50:54:00:00:00:05,dl_dst=50:54:00:00:00:07,nw_src=192.168.0.1,nw_dst=192.168.0.2,nw_proto=111,nw_tos=0,nw_ecn=0,nw_ttl=1,nw_frag=no
-Megaflow: recirc_id=0,eth,ip,in_port=1,nw_ttl=2,nw_frag=no
+Megaflow: recirc_id=0,eth,ip,in_port=1,nw_proto=111,nw_ttl=2,nw_frag=no
 Datapath actions: set(ipv4(ttl=1)),2,userspace(pid=0,controller(reason=2,dont_send=0,continuation=0,recirc_id=1,rule_cookie=0,controller_id=0,max_len=65535)),4
 ])
 AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=192.168.0.1,dst=192.168.0.2,proto=111,tos=0,ttl=3,frag=no)'], [0], [stdout])
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,eth,ip,in_port=1,nw_ttl=3,nw_frag=no
+  [Megaflow: recirc_id=0,eth,ip,in_port=1,nw_proto=111,nw_ttl=3,nw_frag=no
 Datapath actions: set(ipv4(ttl=2)),2,set(ipv4(ttl=1)),3,4
 ])
 AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'in_port(1),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x86dd),ipv6(src=::1,dst=::2,label=0,proto=10,tclass=0x70,hlimit=128,frag=no)'], [0], [stdout])
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,eth,ipv6,in_port=1,nw_ttl=128,nw_frag=no
+  [Megaflow: recirc_id=0,eth,ipv6,in_port=1,nw_proto=10,nw_ttl=128,nw_frag=no
 Datapath actions: set(ipv6(hlimit=127)),2,set(ipv6(hlimit=126)),3,4
 ])
 
@@ -1656,7 +1656,7 @@ AT_CHECK([ovs-vsctl -- \
         --id=@q2 create Queue dscp=2], [0], [ignore])
 AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'in_port(9),eth(src=50:54:00:00:00:05,dst=50:54:00:00:00:07),eth_type(0x0800),ipv4(src=1.1.1.1,dst=2.2.2.2,proto=1,tos=0xff,ttl=128,frag=no),icmp(type=8,code=0)'], [0], [stdout])
 AT_CHECK([tail -2 stdout], [0],
-  [Megaflow: recirc_id=0,skb_priority=0,eth,ip,in_port=9,nw_tos=252,nw_frag=no
+  [Megaflow: recirc_id=0,skb_priority=0,eth,icmp,in_port=9,nw_tos=252,nw_frag=no
 Datapath actions: dnl
 100,dnl
 set(ipv4(tos=0x4/0xfc)),set(skb_priority(0x1)),1,dnl
@@ -11884,7 +11884,7 @@ ovs-ofctl dump-flows br0
 
 AT_CHECK([ovs-appctl ofproto/trace ovs-dummy 'in_port(1),eth(src=50:54:00:00:00:09,dst=50:54:00:00:00:0a),eth_type(0x0800),ipv4(src=10.10.10.2,dst=10.10.10.1,proto=1,tos=1,ttl=128,frag=no),icmp(type=8,code=0)'], [0], [stdout])
 AT_CHECK([tail -3 stdout], [0], [dnl
-Megaflow: recirc_id=0,eth,ip,reg0=0/0x1,in_port=1,nw_src=10.10.10.2,nw_frag=no
+Megaflow: recirc_id=0,eth,icmp,reg0=0/0x1,in_port=1,nw_src=10.10.10.2,nw_frag=no
 Datapath actions: drop
 Translation failed (Recursion too deep), packet is dropped.
 ])
diff --git a/tests/ofproto.at b/tests/ofproto.at
index a666bebca..2fa8486a8 100644
--- a/tests/ofproto.at
+++ b/tests/ofproto.at
@@ -6538,3 +6538,185 @@ verify_deleted
 
 OVS_VSWITCHD_STOP(["/<invalid/d"])
 AT_CLEANUP
+
+AT_SETUP([ofproto - implicit mask of ipv4 proto with invalid proto field])
+OVS_VSWITCHD_START
+add_of_ports br0 1 2
+
+AT_DATA([flows.txt], [dnl
+table=0 in_port=1 priority=90,ip,nw_dst=192.168.1.20,actions=mod_nw_dst:192.168.20.20,output=2
+table=0 in_port=1 priority=89,ip,nw_dst=192.168.1.21,actions=mod_nw_src:192.168.20.21,output=2
+table=0 in_port=1 priority=88,ip,nw_dst=192.168.1.10,actions=dec_ttl,output=2
+table=0 in_port=1 priority=87,ip,nw_dst=192.168.1.19,actions=mod_nw_ttl:8,output=2
+table=0 in_port=1 priority=86,ip,nw_dst=192.168.1.18,actions=mod_nw_ecn:2,output=2
+table=0 in_port=1 priority=85,ip,nw_dst=192.168.1.17,actions=mod_nw_tos:0x40,output=2
+table=0 in_port=1 priority=84,ip,nw_dst=192.168.1.16,actions=set_field:192.168.20.26->nw_dst,output=2
+table=0 in_port=1 priority=83,ip,nw_dst=192.168.1.15,actions=set_field:192.168.21.26->nw_src,output=2
+table=0 in_port=1 priority=82,ip,nw_dst=192.168.1.14,actions=set_field:0x40->nw_tos,output=2
+table=0 in_port=1 priority=0,actions=drop
+])
+AT_CHECK([ovs-ofctl del-flows br0])
+AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
+
+dnl send a proto 0 packet to try and poison the DP flow path
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 \
+ '5054000000075054000000050800450000548de140004000289fc0a801c4c0a8011408003bf60002001bbf080a640000000032ad010000000000101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031323334353637'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.20,proto=0,frag=no), packets:0, bytes:0, used:never, actions:2
+])
+
+dnl Send ICMP for mod nw_src and mod nw_dst
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.21,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.20,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will dec TTL
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.10,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will mod TTL
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.19,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will mod ECN
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.18,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will mod TOS
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.17,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will set DST
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.16,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will set SRC
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.15,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+dnl send ICMP that will set TOS
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.14,proto=1,tos=0,ttl=64,frag=no),icmp(type=8,code=0)'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows | sort], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.10,proto=1,ttl=64,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(ttl=63)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.14,proto=1,tos=0/0xfc,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(tos=0x40/0xfc)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.16,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(dst=192.168.20.26)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.17,proto=1,tos=0/0xfc,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(tos=0x40/0xfc)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.18,proto=1,tos=0/0x3,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(tos=0x2/0x3)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.19,proto=1,ttl=64,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(ttl=8)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.20,proto=0,frag=no), packets:0, bytes:0, used:never, actions:2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(dst=192.168.1.20,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(dst=192.168.20.20)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.15,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(src=192.168.21.26)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(src=192.168.1.1,dst=192.168.1.21,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv4(src=192.168.20.21)),2
+])
+
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - implicit mask of ipv6 proto with HOPOPT field])
+OVS_VSWITCHD_START
+add_of_ports br0 1 2
+
+AT_DATA([flows.txt], [dnl
+table=0 in_port=1 priority=77,ip6,ipv6_dst=111:db8::3,actions=dec_ttl,output=2
+table=0 in_port=1 priority=76,ip6,ipv6_dst=111:db8::4,actions=mod_nw_ttl:8,output=2
+table=0 in_port=1 priority=75,ip6,ipv6_dst=111:db8::5,actions=mod_nw_ecn:2,output=2
+table=0 in_port=1 priority=74,ip6,ipv6_dst=111:db8::6,actions=mod_nw_tos:0x40,output=2
+table=0 in_port=1 priority=73,ip6,ipv6_dst=111:db8::7,actions=set_field:2112:db8::2->ipv6_dst,output=2
+table=0 in_port=1 priority=72,ip6,ipv6_dst=111:db8::8,actions=set_field:2112:db8::3->ipv6_src,output=2
+table=0 in_port=1 priority=72,ip6,ipv6_dst=111:db8::9,actions=set_field:44->ipv6_label,output=2
+table=0 in_port=1 priority=0,actions=drop
+])
+AT_CHECK([ovs-ofctl del-flows br0])
+AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
+
+dnl send a proto 0 packet to try and poison the DP flow path
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::3,proto=0,tclass=0,hlimit=64,frag=no)'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::3,proto=0,hlimit=0,frag=no), packets:0, bytes:0, used:never, actions:userspace(pid=0,controller(reason=2,dont_send=0,continuation=0,recirc_id=1,rule_cookie=0,controller_id=0,max_len=65535))
+])
+
+dnl Send ICMP for mod nw_src and mod nw_dst
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::3,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::4,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+dnl send ICMP that will dec TTL
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::5,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+dnl send ICMP that will mod TTL
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::6,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+dnl send ICMP that will mod ECN
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::7,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+dnl send ICMP that will mod TOS
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::8,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+dnl send ICMP that will set LABEL
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::9,proto=1,tclass=0,hlimit=64,frag=no),icmpv6(type=0,code=8)'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows | sort], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::3,proto=0,hlimit=0,frag=no), packets:0, bytes:0, used:never, actions:userspace(pid=0,controller(reason=2,dont_send=0,continuation=0,recirc_id=1,rule_cookie=0,controller_id=0,max_len=65535))
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::3,proto=1,hlimit=64,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(hlimit=63)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::4,proto=1,hlimit=64,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(hlimit=8)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::5,proto=1,tclass=0/0x3,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(tclass=0x2/0x3)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::6,proto=1,tclass=0/0xfc,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(tclass=0x40/0xfc)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::7,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(dst=2112:db8::2)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(dst=111:db8::9,label=0,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(label=0x2c)),2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x86dd),ipv6(src=2001:db8::1,dst=111:db8::8,proto=1,frag=no), packets:0, bytes:0, used:never, actions:set(ipv6(src=2112:db8::3)),2
+])
+
+OVS_VSWITCHD_STOP
+AT_CLEANUP
+
+AT_SETUP([ofproto - implicit mask of ARP OPer field])
+OVS_VSWITCHD_START
+add_of_ports br0 1 2
+
+AT_DATA([flows.txt], [dnl
+table=0 in_port=1 priority=77,arp,arp_sha=00:01:02:03:04:06,actions=set_field:0x1->arp_op,2
+table=0 in_port=1 priority=76,arp,arp_sha=00:01:02:03:04:07,actions=set_field:00:02:03:04:05:06->arp_sha,2
+table=0 in_port=1 priority=75,arp,arp_sha=00:01:02:03:04:08,actions=set_field:ff:00:00:00:00:ff->arp_tha,2
+table=0 in_port=1 priority=74,arp,arp_sha=00:01:02:03:04:09,actions=set_field:172.31.110.26->arp_spa,2
+table=0 in_port=1 priority=73,arp,arp_sha=00:01:02:03:04:0a,actions=set_field:172.31.110.10->arp_tpa,2
+table=0 in_port=1 priority=1,actions=drop
+])
+
+AT_CHECK([ovs-ofctl del-flows br0])
+AT_CHECK([ovs-ofctl add-flows br0 flows.txt])
+
+dnl Send op == 0 packet
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 \
+ 'ffffffffffffaa55aa550000080600010800060400000001020304070c0a00010000000000000c0a0002'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(op=0,sha=00:01:02:03:04:07), packets:0, bytes:0, used:never, actions:2
+])
+
+dnl Send op 2 -> set op
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0806),arp(sip=172.31.110.1,tip=172.31.110.25,op=2,sha=00:01:02:03:04:06,tha=ff:ff:ff:ff:ff:ff)'])
+
+dnl Send op 1 -> set SHA
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0806),arp(sip=172.31.110.1,tip=172.31.110.25,op=1,sha=00:01:02:03:04:07,tha=ff:ff:ff:ff:ff:ff)'])
+
+dnl Send op 1 -> set THA
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0806),arp(sip=172.31.110.1,tip=172.31.110.25,op=1,sha=00:01:02:03:04:08,tha=ff:ff:ff:ff:ff:ff)'])
+
+dnl Send op 1 -> set SIP
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0806),arp(sip=172.31.110.1,tip=172.31.110.25,op=1,sha=00:01:02:03:04:09,tha=ff:ff:ff:ff:ff:ff)'])
+
+dnl Send op 1 -> set TIP
+AT_CHECK([ovs-appctl netdev-dummy/receive p1 'in_port(1),eth(src=50:54:00:00:00:0b,dst=50:54:00:00:00:0c),eth_type(0x0806),arp(sip=172.31.110.1,tip=172.31.110.25,op=1,sha=00:01:02:03:04:0a,tha=ff:ff:ff:ff:ff:ff)'])
+
+AT_CHECK([ovs-appctl dpctl/dump-flows | sort], [0], [dnl
+flow-dump from the main thread:
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(op=0,sha=00:01:02:03:04:07), packets:0, bytes:0, used:never, actions:2
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(op=1,sha=00:01:02:03:04:07), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(action))
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(op=1,sha=00:01:02:03:04:08,tha=ff:ff:ff:ff:ff:ff), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(action))
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(op=2,sha=00:01:02:03:04:06), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(action))
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(sip=172.31.110.1,op=1,sha=00:01:02:03:04:09), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(action))
+recirc_id(0),in_port(1),packet_type(ns=0,id=0),eth_type(0x0806),arp(tip=172.31.110.25,op=1,sha=00:01:02:03:04:0a), packets:0, bytes:0, used:never, actions:userspace(pid=0,slow_path(action))
+])
+
+OVS_VSWITCHD_STOP
+AT_CLEANUP
diff --git a/tests/packet-type-aware.at b/tests/packet-type-aware.at
index acfb09131..14cebf6ef 100644
--- a/tests/packet-type-aware.at
+++ b/tests/packet-type-aware.at
@@ -1021,7 +1021,7 @@ AT_CHECK([
 ], [0], [flow-dump from the main thread:
 recirc_id(0),in_port(p0),packet_type(ns=0,id=0),eth(src=aa:bb:cc:00:00:02,dst=aa:bb:cc:00:00:01),eth_type(0x0800),ipv4(dst=20.0.0.1,proto=47,frag=no), packets:3, bytes:378, used:0.0s, actions:tnl_pop(gre_sys)
 recirc_id(0),tunnel(src=20.0.0.2,dst=20.0.0.1,flags(-df-csum)),in_port(gre_sys),packet_type(ns=1,id=0x8847),eth_type(0x8847),mpls(label=999/0x0,tc=0/0,ttl=64/0x0,bos=1/1), packets:3, bytes:264, used:0.0s, actions:push_eth(src=00:00:00:00:00:00,dst=00:00:00:00:00:00),pop_mpls(eth_type=0x800),recirc(0x1)
-recirc_id(0x1),tunnel(src=20.0.0.2,dst=20.0.0.1,flags(-df-csum)),in_port(gre_sys),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(ttl=64,frag=no), packets:3, bytes:294, used:0.0s, actions:set(ipv4(ttl=63)),int-br
+recirc_id(0x1),tunnel(src=20.0.0.2,dst=20.0.0.1,flags(-df-csum)),in_port(gre_sys),packet_type(ns=0,id=0),eth_type(0x0800),ipv4(proto=1,ttl=64,frag=no), packets:3, bytes:294, used:0.0s, actions:set(ipv4(ttl=63)),int-br
 ])
 
 ovs-appctl time/warp 1000
