[  823.235788][T15778] netdevsim netdevsim450 eni450np1: renamed from eth0
[  823.243530][T15777] netdevsim netdevsim734 eni734np1: renamed from eth1
[  823.875797][T15765] Could not find device with ifindex 2000 in netnsfd 11
[  823.876497][T15765] Could not find netns with fd: 2000
[  823.876996][T15765] Cannot link a netdevsim to itself
[  823.877932][T15765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).