[  771.945796][T14745] netdevsim netdevsim338 eni338np1: renamed from eth0
[  771.960505][T14747] netdevsim netdevsim687 eni687np1: renamed from eth1
[  772.538733][T14733] Could not find device with ifindex 2000 in netnsfd 11
[  772.539382][T14733] Could not find netns with fd: 2000
[  772.539885][T14733] Cannot link a netdevsim to itself
[  772.540449][T14733] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).