[  748.957808][T14447] netdevsim netdevsim393 eni393np1: renamed from eth0
[  748.969977][T14449] netdevsim netdevsim719 eni719np1: renamed from eth1
[  749.535292][T14435] Could not find device with ifindex 2000 in netnsfd 11
[  749.535803][T14435] Could not find netns with fd: 2000
[  749.536577][T14435] Cannot link a netdevsim to itself
[  749.537085][T14435] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).