Refactor Network_utils.Ovs to functorize vsctl commands for testing
Refactor Network_utils.Ovs to functorize vsctl commands for testing

Signed-off-by: Mike McClurg <d5d39725aee3103039228164deec3c7acc6f60e3@citrix.com>

koushikcgit/xcp-networkd,koushikcgit/xcp-networkd,sharady/xcp-networkd,sharady/xcp-networkd,djs55/xcp-networkd,djs55/xcp-networkd