[  484.032185] netdevsim netdevsim675 eni675np1: renamed from eth1
[  484.133203] netdevsim netdevsim389 eni389np1: renamed from eth0
[  484.465447] Could not find device with ifindex 2000 in netnsfd 11
[  484.465594] Could not find netns with fd: 2000
[  484.465688] Cannot link a netdevsim to itself
[  484.465805] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).