It seems there's a deficiency in isc-dhcp client that leads to this. Fedora have been carrying a patch since 2013 that solves it by the simple expedient of scanning the .lease file first for unexpired leases before allocate an address.
See: http://pkgs.fedoraproject.org/cgit/rpms/dhcp.git/commit/dhcp-honor- expired.patch?h=f24&id=e83fb19c51765442d77fa60596bfdb2b3b9fbe2e There's no sign that the Fedora devs creating this patch made any attempt to upstream it. I'm going to follow-up with the ISC DHCP devs to find out what their view is. In the meantime I'm working with the Network Manager devs to develop an acceptable band-aid solution to solve the immediate problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1533631 Title: dhclient killed when DHCPv6 lease is out-of date To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1533631/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
