[  863.980867][T14774] netdevsim netdevsim398 eni398np1: renamed from eth0
[  864.001649][T14776] netdevsim netdevsim541 eni541np1: renamed from eth1
[  864.654589][T14762] Could not find device with ifindex 2000 in netnsfd 11
[  864.655528][T14762] Could not find netns with fd: 2000
[  864.655947][T14762] Cannot link a netdevsim to itself
[  864.656393][T14762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).