[  757.393314][T14744] netdevsim netdevsim313 eni313np1: renamed from eth0
[  757.405482][T14746] netdevsim netdevsim697 eni697np1: renamed from eth1
[  757.988667][T14732] Could not find device with ifindex 2000 in netnsfd 11
[  757.989214][T14732] Could not find netns with fd: 2000
[  757.989698][T14732] Cannot link a netdevsim to itself
[  757.990193][T14732] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).