[  838.966080][T15651] netdevsim netdevsim376 eni376np1: renamed from eth0
[  838.988098][T15652] netdevsim netdevsim514 eni514np1: renamed from eth1
[  839.650414][T15638] Could not find device with ifindex 2000 in netnsfd 11
[  839.651062][T15638] Could not find netns with fd: 2000
[  839.651570][T15638] Cannot link a netdevsim to itself
[  839.652441][T15638] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).