[  793.899105][T15662] netdevsim netdevsim277 eni277np1: renamed from eth0
[  793.907262][T15660] netdevsim netdevsim689 eni689np1: renamed from eth1
[  794.515901][T15649] Could not find device with ifindex 2000 in netnsfd 11
[  794.516441][T15649] Could not find netns with fd: 2000
[  794.516820][T15649] Cannot link a netdevsim to itself
[  794.517238][T15649] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).