Description of problem:

JobId: 1782288424196116480

Observed 2 testcases related to [sig-network] fail in 4.15 libvirt builds:
1. [sig-network] can collect pod-to-service poller pod logs
    { no pods found for poller %q pod-to-service}

2.  [sig-network] can collect host-to-service poller pod logs 
    { no pods found for poller %q host-to-service}