[  484.056038] netdevsim netdevsim268 eni268np1: renamed from eth0
[  484.056566] netdevsim netdevsim681 eni681np1: renamed from eth1
[  484.141789] Could not find device with ifindex 2000 in netnsfd 11
[  484.141891] Could not find netns with fd: 2000
[  484.141934] Cannot link a netdevsim to itself
[  484.141985] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).