[  513.904278] netdevsim netdevsim293 eni293np1: renamed from eth0
[  514.000819] netdevsim netdevsim650 eni650np1: renamed from eth1
[  514.258288] Could not find device with ifindex 2000 in netnsfd 11
[  514.258469] Could not find netns with fd: 2000
[  514.258555] Cannot link a netdevsim to itself
[  514.258665] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).