diff --git a/sys/net/if.c b/sys/net/if.c
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -832,6 +832,7 @@
 	MPASS(ifindex_table[ifp->if_index].ife_ifnet == ifp);
 
 #ifdef VIMAGE
+	CURVNET_ASSERT_SET();
 	ifp->if_vnet = curvnet;
 	if (ifp->if_home_vnet == NULL)
 		ifp->if_home_vnet = curvnet;