Automated backport of #3222: Allow the gateway to wait for node readiness #5124

Job	Run time
No "Apply suggestions from code review" Commits	5s
Submariner K8s API Code Generation	1m 23s
Commit Message(s)	15s
Go	3m 52s
Dependency Licenses	2m 23s
Markdown Links (modified files)	19s
Markdown	12s
Package Documentation	48s
Protobuf Code Generation	33s
Shell	13s
Variant Analysis	4m 16s
Vulnerability Scanning	25s
YAML	15s
	14m 59s

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