103_update-ifid-on-restart.diff from the Debian package version 20080615-8:

  "Interface ID may have changed between a stop and start."

Signed-off-by: Bjørn Mork <bjorn@mork.no>

1 files changed, 9 insertions, 0 deletions

diff --git a/dhcp6c.c b/dhcp6c.c
index c959b7c..edeca80 100644
--- a/dhcp6c.c
+++ b/dhcp6c.c
@@ -768,6 +768,15 @@ client6_ifctl(ifname, command)
 
 	switch(command) {
 	case DHCP6CTL_COMMAND_START:
+		/*
+		 * The ifid might have changed, so reset it before releasing the
+		 * lease.
+		 */
+		if (ifreset(ifp)) {
+			dprintf(LOG_NOTICE, FNAME, "failed to reset %s",
+			    ifname);
+			return (-1);
+		}
 		free_resources(ifp);
 		if (client6_start(ifp)) {
 			debug_printf(LOG_NOTICE, FNAME, "failed to restart %s",