[  868.879230][T15855] netdevsim netdevsim417 eni417np1: renamed from eth0
[  868.884011][T15856] netdevsim netdevsim745 eni745np1: renamed from eth1
[  869.667948][T15843] Could not find device with ifindex 2000 in netnsfd 11
[  869.668628][T15843] Could not find netns with fd: 2000
[  869.669113][T15843] Cannot link a netdevsim to itself
[  869.669639][T15843] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).