[  775.059489][T14740] netdevsim netdevsim323 eni323np1: renamed from eth0
[  775.078817][T14742] netdevsim netdevsim687 eni687np1: renamed from eth1
[  775.642573][T14728] Could not find device with ifindex 2000 in netnsfd 11
[  775.643235][T14728] Could not find netns with fd: 2000
[  775.643762][T14728] Cannot link a netdevsim to itself
[  775.650225][T14728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).