[  786.440259][T14750] netdevsim netdevsim479 eni479np1: renamed from eth0
[  786.476320][T14753] netdevsim netdevsim675 eni675np1: renamed from eth1
[  787.180572][T14738] Could not find device with ifindex 2000 in netnsfd 11
[  787.181351][T14738] Could not find netns with fd: 2000
[  787.181963][T14738] Cannot link a netdevsim to itself
[  787.182729][T14738] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).