[  817.828733][T15801] netdevsim netdevsim423 eni423np1: renamed from eth0
[  817.836309][T15800] netdevsim netdevsim710 eni710np1: renamed from eth1
[  818.445790][T15789] Could not find device with ifindex 2000 in netnsfd 11
[  818.446432][T15789] Could not find netns with fd: 2000
[  818.446918][T15789] Cannot link a netdevsim to itself
[  818.447442][T15789] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).