Ignore empty or invalid IP in Endpoint Set*IP #5217

Job	Run time
Submariner K8s API Code Generation	1m 30s
No "Apply suggestions from code review" Commits	6s
Commit Message(s)	10s
Check branch dependencies	31s
Go	3m 58s
Dependency Licenses	2m 36s
Markdown Links (modified files)	11s
Markdown	10s
Package Documentation	59s
Protobuf Code Generation	35s
Shell	12s
Variant Analysis	4m 10s
Vulnerability Scanning	26s
YAML	7s
	15m 41s

Provide feedback