[  753.837477][T14613] netdevsim netdevsim479 eni479np1: renamed from eth0
[  753.860897][T14616] netdevsim netdevsim603 eni603np1: renamed from eth1
[  754.426380][T14601] Could not find device with ifindex 2000 in netnsfd 11
[  754.426924][T14601] Could not find netns with fd: 2000
[  754.427282][T14601] Cannot link a netdevsim to itself
[  754.427689][T14601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).