[  461.726259] netdevsim netdevsim391 eni391np1: renamed from eth0
[  461.727047] netdevsim netdevsim665 eni665np1: renamed from eth1
[  461.826143] Could not find device with ifindex 2000 in netnsfd 11
[  461.826351] Could not find netns with fd: 2000
[  461.826481] Cannot link a netdevsim to itself
[  461.826630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).