
When the IP isn't in the internal map, GetPodNetworkStatus() needs to call the execer for the 'nsenter' program. That means the execer needs to be !nil, which it wasn't before.
When the IP isn't in the internal map, GetPodNetworkStatus() needs to call the execer for the 'nsenter' program. That means the execer needs to be !nil, which it wasn't before.