[  712.642642][T13060] netdevsim netdevsim349 eni349np1: renamed from eth0
[  712.668591][T13059] netdevsim netdevsim572 eni572np1: renamed from eth1
[  713.283656][T13047] Could not find device with ifindex 2000 in netnsfd 11
[  713.284497][T13047] Could not find netns with fd: 2000
[  713.284882][T13047] Cannot link a netdevsim to itself
[  713.285502][T13047] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).