[  811.209368][T15794] netdevsim netdevsim301 eni301np1: renamed from eth0
[  811.227079][T15792] netdevsim netdevsim610 eni610np1: renamed from eth1
[  811.832850][T15781] Could not find device with ifindex 2000 in netnsfd 11
[  811.833481][T15781] Could not find netns with fd: 2000
[  811.833953][T15781] Cannot link a netdevsim to itself
[  811.834467][T15781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).