interface-reconfigure: vswitch: explicitly configure IP device MAC address.
interface-reconfigure: vswitch: explicitly configure IP device MAC address.

This ensures that a VLAN fake bridge has the expected MAC address,
previously it would be random.

Signed-off-by: Ian Campbell <9be92b3dbbd6611e3e4c9209fb3d04b4919e7cca@citrix.com>

djs55/xcp-networkd,djs55/xcp-rrdd,sharady/xcp-networkd,sharady/xcp-networkd,djs55/xcp-rrdd,simonjbeaumont/xcp-rrdd,djs55/squeezed,simonjbeaumont/xcp-rrdd,robhoes/squeezed,koushikcgit/xcp-rrdd,koushikcgit/xcp-rrdd,koushikcgit/xcp-networkd,djs55/xcp-networkd,johnelse/xcp-rrdd,johnelse/xcp-rrdd,koushikcgit/xcp-networkd,koushikcgit/xcp-rrdd