network: Networking is also needed with bonds

Previously global networking was only enabled when a device got
configured, but networking is also required when a bond device is
created. Otherwise the bond device will not turn up in the system and
the UI.

Change-Id: I18d8eb775b08cf93e0024d597a4aa3c1044b4e89
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>