[  486.295166] netdevsim netdevsim568 eni568np1: renamed from eth1
[  486.392106] netdevsim netdevsim468 eni468np1: renamed from eth0
[  486.594040] Could not find device with ifindex 2000 in netnsfd 11
[  486.594267] Could not find netns with fd: 2000
[  486.594357] Cannot link a netdevsim to itself
[  486.594457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).