[  515.283421] netdevsim netdevsim562 eni562np1: renamed from eth1
[  515.380606] netdevsim netdevsim333 eni333np1: renamed from eth0
[  515.608551] Could not find device with ifindex 2000 in netnsfd 11
[  515.608757] Could not find netns with fd: 2000
[  515.608879] Cannot link a netdevsim to itself
[  515.609004] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).