[  783.794652][T14531] netdevsim netdevsim460 eni460np1: renamed from eth0
[  783.816111][T14534] netdevsim netdevsim734 eni734np1: renamed from eth1
[  784.372982][T14519] Could not find device with ifindex 2000 in netnsfd 11
[  784.373492][T14519] Could not find netns with fd: 2000
[  784.373838][T14519] Cannot link a netdevsim to itself
[  784.374409][T14519] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).