Update ifid on interface restart
Update ifid on interface restart

Interface ID may have changed between a stop and start.

Signed-off-by: Jeremie Corbier <aa5d8c8bb73d4465608582ffc8dcd3cb76639f53@famille-corbier.net>

garybuhrmaster/wide-dhcpv6,garybuhrmaster/wide-dhcpv6