[  521.626307] netdevsim netdevsim265 eni265np1: renamed from eth0
[  521.724414] netdevsim netdevsim753 eni753np1: renamed from eth1
[  521.950361] Could not find device with ifindex 2000 in netnsfd 11
[  521.950566] Could not find netns with fd: 2000
[  521.950652] Cannot link a netdevsim to itself
[  521.950751] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).