[  831.016025][T14761] netdevsim netdevsim267 eni267np1: renamed from eth0
[  831.037823][T14763] netdevsim netdevsim678 eni678np1: renamed from eth1
[  831.681016][T14749] Could not find device with ifindex 2000 in netnsfd 11
[  831.681851][T14749] Could not find netns with fd: 2000
[  831.682256][T14749] Cannot link a netdevsim to itself
[  831.682710][T14749] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).