Automated backport of #1793: nettest: add iproute #970

Job	Run time
Clean up generated files	47s
Images	1m 44s
Build multi-arch images	3m 25s
Clean up clusters	1m 27s
Clusters	1m 21s
Compilation	41s
Deployment (operator)	2m 54s
E2E	2m 54s
Deployment (helm)	2m 2s
Multiple gateways support	1m 21s
Deployment (globalnet, operator)	2m 44s
Deployment (globalnet, helm)	2m 12s
Deployment (air-gap)	2m 53s
Deployment (air-gap, globalnet)	3m 15s
Deployment (air-gap, lighthouse)	3m 5s
Deployment (air-gap, ovn)	6m 5s
Post mortem	1m 53s
Deployment (dual-stack)	2m 39s
Unit tests	1m 32s
Deployment (ovn)	5m 40s
Deployment (ovn-ic)	6m 24s
Deployment (operator, lighthouse)	2m 38s
Deployment (helm, lighthouse)	2m 30s
Deployment (load-balancer)	3m 3s
Deployment (prometheus)	2m 43s
	1h 7m 52s

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