diff --git a/sbin/devd/devd.conf.5 b/sbin/devd/devd.conf.5
--- a/sbin/devd/devd.conf.5
+++ b/sbin/devd/devd.conf.5
@@ -40,7 +40,7 @@
 .\" ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 .\" SOFTWARE.
 .\"
-.Dd October 12, 2020
+.Dd June 23, 2021
 .Dt DEVD.CONF 5
 .Os
 .Sh NAME
@@ -467,6 +467,8 @@
 The network interface is attached to the system.
 .It Li IFNET Ta Em inet Ta Li DETACH Ta
 The network interface is detached from the system.
+.It Li IFNET Ta Em inet Ta Li RENAME Ta
+The network interface is renamed.
 .El
 .Pp
 .Bl -column "System" "Subsystem" "1234567" -compact
diff --git a/sys/net/if.c b/sys/net/if.c
--- a/sys/net/if.c
+++ b/sys/net/if.c
@@ -2468,6 +2468,7 @@
 	size_t descrlen;
 	char *descrbuf, *odescrbuf;
 	char new_name[IFNAMSIZ];
+	char old_name[IFNAMSIZ], strbuf[IFNAMSIZ + 8];
 	struct ifaddr *ifa;
 	struct sockaddr_dl *sdl;
 
@@ -2673,6 +2674,7 @@
 		if_printf(ifp, "changing name to '%s'\n", new_name);
 
 		IF_ADDR_WLOCK(ifp);
+		strlcpy(old_name, ifp->if_xname, sizeof(old_name));
 		strlcpy(ifp->if_xname, new_name, sizeof(ifp->if_xname));
 		ifa = ifp->if_addr;
 		sdl = (struct sockaddr_dl *)ifa->ifa_addr;
@@ -2700,6 +2702,9 @@
 		rt_ifannouncemsg(ifp, IFAN_ARRIVAL);
 
 		ifp->if_flags &= ~IFF_RENAMING;
+
+		snprintf(strbuf, sizeof(strbuf), "name=%s", new_name);
+		devctl_notify("IFNET", old_name, "RENAME", strbuf);
 		break;
 
 #ifdef VIMAGE