[  759.062467][T14721] netdevsim netdevsim393 eni393np1: renamed from eth0
[  759.074324][T14723] netdevsim netdevsim697 eni697np1: renamed from eth1
[  759.661273][T14709] Could not find device with ifindex 2000 in netnsfd 11
[  759.662763][T14709] Could not find netns with fd: 2000
[  759.663537][T14709] Cannot link a netdevsim to itself
[  759.664455][T14709] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).