[  812.391748][T15752] netdevsim netdevsim383 eni383np1: renamed from eth0
[  812.410966][T15753] netdevsim netdevsim669 eni669np1: renamed from eth1
[  812.973158][T15739] Could not find device with ifindex 2000 in netnsfd 11
[  812.973696][T15739] Could not find netns with fd: 2000
[  812.974046][T15739] Cannot link a netdevsim to itself
[  812.974463][T15739] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).