pods: Handle empty returns correctly.
pods: Handle empty returns correctly.

We should continue to try even if err == nil, but
the addresses returned is "[]".

Signed-off-by: Gurucharan Shetty <a1872e333d0e52644f6125da2276530f7ebe5e77@ovn.org>

shettyg/ovn-kubernetes,shettyg/ovn-kubernetes,shettyg/ovn-kubernetes