[  713.150818][T13020] netdevsim netdevsim401 eni401np1: renamed from eth0
[  713.175985][T13022] netdevsim netdevsim642 eni642np1: renamed from eth1
[  713.920405][T13008] Could not find device with ifindex 2000 in netnsfd 11
[  713.921368][T13008] Could not find netns with fd: 2000
[  713.921866][T13008] Cannot link a netdevsim to itself
[  713.922457][T13008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).