[  843.031354][T15858] netdevsim netdevsim324 eni324np1: renamed from eth0
[  843.043462][T15856] netdevsim netdevsim710 eni710np1: renamed from eth1
[  843.732833][T15844] Could not find device with ifindex 2000 in netnsfd 11
[  843.733521][T15844] Could not find netns with fd: 2000
[  843.734189][T15844] Cannot link a netdevsim to itself
[  843.735287][T15844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).