[  489.672844] netdevsim netdevsim319 eni319np1: renamed from eth0
[  489.774938] netdevsim netdevsim627 eni627np1: renamed from eth1
[  490.142168] Could not find device with ifindex 2000 in netnsfd 11
[  490.142321] Could not find netns with fd: 2000
[  490.142393] Cannot link a netdevsim to itself
[  490.142474] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).