[  763.015141][T14591] netdevsim netdevsim355 eni355np1: renamed from eth0
[  763.034438][T14593] netdevsim netdevsim686 eni686np1: renamed from eth1
[  763.646102][T14579] Could not find device with ifindex 2000 in netnsfd 11
[  763.646961][T14579] Could not find netns with fd: 2000
[  763.647665][T14579] Cannot link a netdevsim to itself
[  763.648484][T14579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).