[  710.230905][T13052] netdevsim netdevsim381 eni381np1: renamed from eth0
[  710.241781][T13051] netdevsim netdevsim517 eni517np1: renamed from eth1
[  710.915537][T13039] Could not find device with ifindex 2000 in netnsfd 11
[  710.916844][T13039] Could not find netns with fd: 2000
[  710.917490][T13039] Cannot link a netdevsim to itself
[  710.918129][T13039] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).