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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
@@ -469,6 +469,10 @@
The network interface is detached from the system.
.It Li IFNET Ta Em inet Ta Li RENAME Ta
The network interface is renamed.
+.It Li IFNET Ta Em inet Ta Li ADDR_ADD Ta
+The network interface address added.
+.It Li IFNET Ta Em inet Ta Li ADDR_DEL Ta
+The network interface address removed.
.El
.Pp
.Bl -column "System" "Subsystem" "1234567" -compact
diff --git a/sys/net/route.c b/sys/net/route.c
--- a/sys/net/route.c
+++ b/sys/net/route.c
@@ -50,6 +50,7 @@
#include <sys/syslog.h>
#include <sys/sysproto.h>
#include <sys/proc.h>
+#include <sys/devctl.h>
#include <sys/domain.h>
#include <sys/eventhandler.h>
#include <sys/kernel.h>
@@ -67,6 +68,7 @@
#include <netinet/in.h>
#include <netinet/ip_mroute.h>
+#include <netinet6/in6_var.h>
VNET_PCPUSTAT_DEFINE(struct rtstat, rtstat);
@@ -685,6 +687,10 @@
int
rt_addrmsg(int cmd, struct ifaddr *ifa, int fibnum)
{
+#if defined(INET) || defined(INET6)
+ struct sockaddr *sa = ifa->ifa_addr;
+ struct ifnet *ifp = ifa->ifa_ifp;
+#endif
KASSERT(cmd == RTM_ADD || cmd == RTM_DELETE,
("unexpected cmd %d", cmd));
@@ -693,6 +699,29 @@
EVENTHANDLER_DIRECT_INVOKE(rt_addrmsg, ifa, cmd);
+#ifdef INET
+ if (sa->sa_family == AF_INET) {
+ char addrstr[INET_ADDRSTRLEN];
+ char strbuf[INET_ADDRSTRLEN + 12];
+
+ inet_ntoa_r(((struct sockaddr_in *)sa)->sin_addr, addrstr);
+ snprintf(strbuf, sizeof(strbuf), "address=%s", addrstr);
+ devctl_notify("IFNET", ifp->if_xname,
+ (cmd == RTM_ADD) ? "ADDR_ADD" : "ADDR_DEL", strbuf);
+ }
+#endif
+#ifdef INET6
+ if (sa->sa_family == AF_INET6) {
+ char addrstr[INET6_ADDRSTRLEN];
+ char strbuf[INET6_ADDRSTRLEN + 12];
+
+ ip6_sprintf(addrstr, IFA_IN6(ifa));
+ snprintf(strbuf, sizeof(strbuf), "address=%s", addrstr);
+ devctl_notify("IFNET", ifp->if_xname,
+ (cmd == RTM_ADD) ? "ADDR_ADD" : "ADDR_DEL", strbuf);
+ }
+#endif
+
if (V_rt_add_addr_allfibs)
fibnum = RT_ALL_FIBS;
return (rtsock_addrmsg(cmd, ifa, fibnum));

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