[  749.918250][T14466] netdevsim netdevsim398 eni398np1: renamed from eth0
[  749.930912][T14468] netdevsim netdevsim745 eni745np1: renamed from eth1
[  750.506949][T14454] Could not find device with ifindex 2000 in netnsfd 11
[  750.507536][T14454] Could not find netns with fd: 2000
[  750.507917][T14454] Cannot link a netdevsim to itself
[  750.508340][T14454] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).