[  710.104089][T13041] netdevsim netdevsim309 eni309np1: renamed from eth0
[  710.148393][T13044] netdevsim netdevsim666 eni666np1: renamed from eth1
[  710.890596][T13028] Could not find device with ifindex 2000 in netnsfd 11
[  710.891627][T13028] Could not find netns with fd: 2000
[  710.892127][T13028] Cannot link a netdevsim to itself
[  710.892651][T13028] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).