There is upstream BZ https://bugzilla.gnome.org/show_bug.cgi?id=757587, which was fixed upstream by:
This can be easily reproduced:
- have ignore-carrier not enabled.
- activate a connection with default-route.
- unplug the cable
Note that the device properly disconnects, but the default-route lingers around.
will be (obviously) fixed for rhel-7.3 as we rebase.
This bug was accidentally moved from POST to MODIFIED via an error in automation, please see firstname.lastname@example.org with any questions
upstream patches are part of nm-1-2 and rhel-7.3 beta.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.