[  797.097692][T14759] netdevsim netdevsim378 eni378np1: renamed from eth0
[  797.112585][T14761] netdevsim netdevsim568 eni568np1: renamed from eth1
[  797.752912][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  797.753678][T14747] Could not find netns with fd: 2000
[  797.754054][T14747] Cannot link a netdevsim to itself
[  797.754466][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).