[  521.619428] netdevsim netdevsim586 eni586np1: renamed from eth1
[  521.715682] netdevsim netdevsim483 eni483np1: renamed from eth0
[  521.943452] Could not find device with ifindex 2000 in netnsfd 11
[  521.943641] Could not find netns with fd: 2000
[  521.943720] Cannot link a netdevsim to itself
[  521.943814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).