[  701.097613][T13045] netdevsim netdevsim381 eni381np1: renamed from eth0
[  701.120750][T13047] netdevsim netdevsim573 eni573np1: renamed from eth1
[  701.732455][T13032] Could not find device with ifindex 2000 in netnsfd 11
[  701.733327][T13032] Could not find netns with fd: 2000
[  701.733770][T13032] Cannot link a netdevsim to itself
[  701.734284][T13032] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).