Index: sys/net/if_lagg.c
===================================================================
--- sys/net/if_lagg.c
+++ sys/net/if_lagg.c
@@ -133,6 +133,7 @@
 static int	lagg_snd_tag_alloc(struct ifnet *,
 		    union if_snd_tag_alloc_params *,
 		    struct m_snd_tag **);
+static void	lagg_snd_tag_free(struct m_snd_tag *);
 #endif
 static int	lagg_setmulti(struct lagg_port *);
 static int	lagg_clrmulti(struct lagg_port *);
@@ -514,6 +515,7 @@
 	ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
 #ifdef RATELIMIT
 	ifp->if_snd_tag_alloc = lagg_snd_tag_alloc;
+	ifp->if_snd_tag_free = lagg_snd_tag_free;
 #endif
 	ifp->if_capenable = ifp->if_capabilities = IFCAP_HWSTATS;
 
@@ -1568,6 +1570,13 @@
 	/* forward allocation request */
 	return (ifp->if_snd_tag_alloc(ifp, params, ppmt));
 }
+
+static void
+lagg_snd_tag_free(struct m_snd_tag *tag)
+{
+	tag->ifp->if_snd_tag_free(tag);
+}
+
 #endif
 
 static int
Index: sys/net/if_vlan.c
===================================================================
--- sys/net/if_vlan.c
+++ sys/net/if_vlan.c
@@ -267,6 +267,7 @@
 #ifdef RATELIMIT
 static	int vlan_snd_tag_alloc(struct ifnet *,
     union if_snd_tag_alloc_params *, struct m_snd_tag **);
+static void vlan_snd_tag_free(struct m_snd_tag *);
 #endif
 static	void vlan_qflush(struct ifnet *ifp);
 static	int vlan_setflag(struct ifnet *ifp, int flag, int status,
@@ -1047,6 +1048,7 @@
 	ifp->if_ioctl = vlan_ioctl;
 #ifdef RATELIMIT
 	ifp->if_snd_tag_alloc = vlan_snd_tag_alloc;
+	ifp->if_snd_tag_free = vlan_snd_tag_free;
 #endif
 	ifp->if_flags = VLAN_IFFLAGS;
 	ether_ifattach(ifp, eaddr);
@@ -1934,4 +1936,10 @@
 	/* forward allocation request */
 	return (ifp->if_snd_tag_alloc(ifp, params, ppmt));
 }
+
+static void
+vlan_snd_tag_free(struct m_snd_tag *tag)
+{
+	tag->ifp->if_snd_tag_free(tag);
+}
 #endif