Ipvlan internal network should not change gw
Ipvlan internal network should not change gw

Since docker container can be connected to combination of several
internal and external networks change of default gateway of the internal
ones breaks communication via the external ones.

This fixes only ipvlan network type

Signed-off-by: Pavel Matěja <2375fa63e2908bb2df59f606483a3aa92321db7a@verotel.cz>

mahak/libnetwork,docker/libnetwork,docker/libnetwork,docker/libnetwork,mahak/libnetwork,mahak/libnetwork