[  870.607032][T14807] netdevsim netdevsim296 eni296np1: renamed from eth0
[  870.642753][T14810] netdevsim netdevsim639 eni639np1: renamed from eth1
[  871.301295][T14795] Could not find device with ifindex 2000 in netnsfd 11
[  871.302194][T14795] Could not find netns with fd: 2000
[  871.302589][T14795] Cannot link a netdevsim to itself
[  871.303026][T14795] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).