Make HA more stable if pmxcfs is not reachable for a short period (for example
if you restart the service). Some users reported they get empty VM list
when there is very high load on a server.

This is easier to read.

Our REST API cannot handle that.

tested with classic linux interfaces/bridge and openvswitch interfaces
Signed-off-by: Alexandre Derumier <aderumier@odiso.com>

We store our network config in /etc/network/interfaces instead.

We now use that split-button everywhere to make the GUI more consistent.

That way we can specify a filename (required for android client).