[   86.802733][  T741] netdevsim netdevsim411 eni411np1: renamed from eth0
[   86.836403][  T740] netdevsim netdevsim693 eni693np1: renamed from eth1
[   90.550187][  T733] Could not find device with ifindex 2000 in netnsfd 11
[   90.550942][  T733] Could not find netns with fd: 2000
[   90.551539][  T733] Cannot link a netdevsim to itself
[   90.552446][  T733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).