[  712.799325][T13065] netdevsim netdevsim503 eni503np1: renamed from eth0
[  712.806262][T13067] netdevsim netdevsim666 eni666np1: renamed from eth1
[  713.497443][T13053] Could not find device with ifindex 2000 in netnsfd 11
[  713.498403][T13053] Could not find netns with fd: 2000
[  713.498912][T13053] Cannot link a netdevsim to itself
[  713.499352][T13053] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).
[  713.500251][T13053] Netdevsim 10:255 is already linked