[  757.829019][T14613] netdevsim netdevsim406 eni406np1: renamed from eth0
[  757.856105][T14615] netdevsim netdevsim542 eni542np1: renamed from eth1
[  758.429102][T14601] Could not find device with ifindex 2000 in netnsfd 11
[  758.429934][T14601] Could not find netns with fd: 2000
[  758.430610][T14601] Cannot link a netdevsim to itself
[  758.431551][T14601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).