[  789.448322][T15635] netdevsim netdevsim508 eni508np1: renamed from eth0
[  789.474000][T15634] netdevsim netdevsim733 eni733np1: renamed from eth1
[  790.082367][T15623] Could not find device with ifindex 2000 in netnsfd 11
[  790.082957][T15623] Could not find netns with fd: 2000
[  790.083436][T15623] Cannot link a netdevsim to itself
[  790.083963][T15623] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).