diff --git a/northd/northd.c b/northd/northd.c
index c1d83548e..d237f693d 100644
--- a/northd/northd.c
+++ b/northd/northd.c
@@ -878,6 +878,37 @@ lr_has_lb_vip(struct ovn_datapath *od)
     return false;
 }
 
+/* Builds a unique address set compatible name ([a-zA-Z_.][a-zA-Z_.0-9]*)
+ * for the router's load balancer VIP address set, combining the logical
+ * router's datapath tunnel key and address family.
+ *
+ * Also prefixes the name with 'prefix'.
+ */
+static char *
+lr_lb_address_set_name_(const struct ovn_datapath *od, const char *prefix,
+                        int addr_family)
+{
+    ovs_assert(od->nbr);
+    return xasprintf("%s_rtr_lb_%"PRIu32"_ip%s", prefix, od->tunnel_key,
+                     addr_family == AF_INET ? "4" : "6");
+}
+
+/* Builds the router's load balancer VIP address set name. */
+static char *
+lr_lb_address_set_name(const struct ovn_datapath *od, int addr_family)
+{
+    return lr_lb_address_set_name_(od, "", addr_family);
+}
+
+/* Builds a string that refers to the the router's load balancer VIP address
+ * set name, that is: $<address_set_name>.
+ */
+static char *
+lr_lb_address_set_ref(const struct ovn_datapath *od, int addr_family)
+{
+    return lr_lb_address_set_name_(od, "$", addr_family);
+}
+
 static void
 init_lb_for_datapath(struct ovn_datapath *od)
 {
@@ -12040,7 +12071,7 @@ build_lrouter_ipv4_ip_input(struct ovn_port *op,
             }
 
             /* Create a single ARP rule for all IPs that are used as VIPs. */
-            char *lb_ips_v4_as = xasprintf("$%s_lb_ip4", op->od->nbr->name);
+            char *lb_ips_v4_as = lr_lb_address_set_ref(op->od, AF_INET);
             build_lrouter_arp_flow(op->od, op, lb_ips_v4_as,
                                    REG_INPORT_ETH_ADDR,
                                    match, false, 90, NULL, lflows);
@@ -12056,7 +12087,7 @@ build_lrouter_ipv4_ip_input(struct ovn_port *op,
             }
 
             /* Create a single ND rule for all IPs that are used as VIPs. */
-            char *lb_ips_v6_as = xasprintf("$%s_lb_ip6", op->od->nbr->name);
+            char *lb_ips_v6_as = lr_lb_address_set_ref(op->od, AF_INET6);
             build_lrouter_nd_flow(op->od, op, "nd_na", lb_ips_v6_as, NULL,
                                   REG_INPORT_ETH_ADDR, match, false, 90,
                                   NULL, lflows, meter_groups);
@@ -13687,7 +13718,7 @@ sync_address_sets(struct northd_context *ctx, struct hmap *datapaths)
         }
 
         if (sset_count(&od->lb_ips_v4)) {
-            char *ipv4_addrs_name = xasprintf("%s_lb_ip4", od->nbr->name);
+            char *ipv4_addrs_name = lr_lb_address_set_name(od, AF_INET);
             const char **ipv4_addrs = sset_array(&od->lb_ips_v4);
 
             sync_address_set(ctx, ipv4_addrs_name, ipv4_addrs,
@@ -13697,7 +13728,7 @@ sync_address_sets(struct northd_context *ctx, struct hmap *datapaths)
         }
 
         if (sset_count(&od->lb_ips_v6)) {
-            char *ipv6_addrs_name = xasprintf("%s_lb_ip6", od->nbr->name);
+            char *ipv6_addrs_name = lr_lb_address_set_name(od, AF_INET6);
             const char **ipv6_addrs = sset_array(&od->lb_ips_v6);
 
             sync_address_set(ctx, ipv6_addrs_name, ipv6_addrs,
diff --git a/tests/ovn-northd.at b/tests/ovn-northd.at
index 166723502..3f21edee9 100644
--- a/tests/ovn-northd.at
+++ b/tests/ovn-northd.at
@@ -1701,10 +1701,13 @@ ovn-nbctl lr-lb-add lr lb4
 ovn-nbctl lr-lb-add lr lb5
 
 ovn-nbctl --wait=sb sync
+lr_key=$(fetch_column sb:datapath_binding tunnel_key external_ids:name=lr)
+lb_as_v4="_rtr_lb_${lr_key}_ip4"
+lb_as_v6="_rtr_lb_${lr_key}_ip6"
 
 # Check generated VIP address sets.
-check_column '192.168.2.1 192.168.2.4 192.168.2.5 192.168.2.6' Address_Set addresses name=lr_lb_ip4
-check_column 'fe80::200:ff:fe00:101 fe80::200:ff:fe00:102' Address_Set addresses name=lr_lb_ip6
+check_column '192.168.2.1 192.168.2.4 192.168.2.5 192.168.2.6' Address_Set addresses name=${lb_as_v4}
+check_column 'fe80::200:ff:fe00:101 fe80::200:ff:fe00:102' Address_Set addresses name=${lb_as_v6}
 
 # Ingress router port ETH address is stored in lr_in_admission.
 AT_CHECK([ovn-sbctl lflow-list | grep -E "lr_in_admission.*xreg0\[[0..47\]]" | sort], [0], [dnl
@@ -1723,7 +1726,7 @@ action=(xreg0[[0..47]] = 00:00:00:00:01:00; next;)
 ])
 
 # Ingress router port ETH address is used for ARP reply/NA in lr_in_ip_input.
-AT_CHECK([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=90" | grep "arp\|nd" | sort], [0], [dnl
+AT_CHECK_UNQUOTED([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=90" | grep "arp\|nd" | sort], [0], [dnl
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(arp.op == 1 && arp.tpa == 43.43.43.150), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
@@ -1737,7 +1740,7 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(arp.op == 1 && arp.tpa == 43.43.43.4), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp" && arp.op == 1 && arp.tpa == $lr_lb_ip4), dnl
+match=(inport == "lrp" && arp.op == 1 && arp.tpa == \$${lb_as_v4}), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(inport == "lrp" && arp.op == 1 && arp.tpa == 42.42.42.1 && arp.spa == 42.42.42.0/24), dnl
@@ -1746,10 +1749,10 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(inport == "lrp" && ip6.dst == {fe80::200:ff:fe00:1, ff02::1:ff00:1} && nd_ns && nd.target == fe80::200:ff:fe00:1), dnl
 action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp" && nd_ns && nd.target == $lr_lb_ip6), dnl
+match=(inport == "lrp" && nd_ns && nd.target == \$${lb_as_v6}), dnl
 action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == $lr_lb_ip4), dnl
+match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == \$${lb_as_v4}), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == 43.43.43.1 && arp.spa == 43.43.43.0/24), dnl
@@ -1758,7 +1761,7 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(inport == "lrp-public" && ip6.dst == {fe80::200:ff:fe00:100, ff02::1:ff00:100} && nd_ns && nd.target == fe80::200:ff:fe00:100), dnl
 action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp-public" && nd_ns && nd.target == $lr_lb_ip6), dnl
+match=(inport == "lrp-public" && nd_ns && nd.target == \$${lb_as_v6}), dnl
 action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
 ])
 
@@ -1792,7 +1795,7 @@ action=(xreg0[[0..47]] = 00:00:00:00:01:00; next;)
 # Ingress router port is used for ARP reply/NA in lr_in_ip_input.
 # xxreg0[0..47] is used unless external_mac is set.
 # Priority 90 flows (per router).
-AT_CHECK([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=90" | grep "arp\|nd" | sort], [0], [dnl
+AT_CHECK_UNQUOTED([ovn-sbctl lflow-list | grep -E "lr_in_ip_input.*priority=90" | grep "arp\|nd" | sort], [0], [dnl
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(arp.op == 1 && arp.tpa == 43.43.43.150), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
@@ -1806,7 +1809,7 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(arp.op == 1 && arp.tpa == 43.43.43.4), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp" && arp.op == 1 && arp.tpa == $lr_lb_ip4), dnl
+match=(inport == "lrp" && arp.op == 1 && arp.tpa == \$${lb_as_v4}), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(inport == "lrp" && arp.op == 1 && arp.tpa == 42.42.42.1 && arp.spa == 42.42.42.0/24), dnl
@@ -1815,10 +1818,10 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(inport == "lrp" && ip6.dst == {fe80::200:ff:fe00:1, ff02::1:ff00:1} && nd_ns && nd.target == fe80::200:ff:fe00:1), dnl
 action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp" && nd_ns && nd.target == $lr_lb_ip6), dnl
+match=(inport == "lrp" && nd_ns && nd.target == \$${lb_as_v6}), dnl
 action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == $lr_lb_ip4 && is_chassis_resident("cr-lrp-public")), dnl
+match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == \$${lb_as_v4} && is_chassis_resident("cr-lrp-public")), dnl
 action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */ arp.tha = arp.sha; arp.sha = xreg0[[0..47]]; arp.tpa <-> arp.spa; outport = inport; flags.loopback = 1; output;)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
 match=(inport == "lrp-public" && arp.op == 1 && arp.tpa == 43.43.43.1 && arp.spa == 43.43.43.0/24), dnl
@@ -1827,7 +1830,7 @@ action=(eth.dst = eth.src; eth.src = xreg0[[0..47]]; arp.op = 2; /* ARP reply */
 match=(inport == "lrp-public" && ip6.dst == {fe80::200:ff:fe00:100, ff02::1:ff00:100} && nd_ns && nd.target == fe80::200:ff:fe00:100 && is_chassis_resident("cr-lrp-public")), dnl
 action=(nd_na_router { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
   table=3 (lr_in_ip_input     ), priority=90   , dnl
-match=(inport == "lrp-public" && nd_ns && nd.target == $lr_lb_ip6 && is_chassis_resident("cr-lrp-public")), dnl
+match=(inport == "lrp-public" && nd_ns && nd.target == \$${lb_as_v6} && is_chassis_resident("cr-lrp-public")), dnl
 action=(nd_na { eth.src = xreg0[[0..47]]; ip6.src = nd.target; nd.tll = xreg0[[0..47]]; outport = inport; flags.loopback = 1; output; };)
 ])
 
