[  843.477371][T15787] netdevsim netdevsim378 eni378np1: renamed from eth0
[  843.484306][T15785] netdevsim netdevsim744 eni744np1: renamed from eth1
[  844.179681][T15774] Could not find device with ifindex 2000 in netnsfd 11
[  844.180744][T15774] Could not find netns with fd: 2000
[  844.181333][T15774] Cannot link a netdevsim to itself
[  844.181856][T15774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).