[  842.726857][T15799] netdevsim netdevsim386 eni386np1: renamed from eth0
[  842.755999][T15802] netdevsim netdevsim719 eni719np1: renamed from eth1
[  843.514985][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  843.515752][T15787] Could not find netns with fd: 2000
[  843.516639][T15787] Cannot link a netdevsim to itself
[  843.517981][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).