[  938.742499][T12471] netdevsim netdevsim388 eni388np1: renamed from eth0
[  938.746554][T12472] netdevsim netdevsim693 eni693np1: renamed from eth1
[  940.364065][T12567] Could not find device with ifindex 2000 in netnsfd 11
[  940.364949][T12567] Could not find netns with fd: 2000
[  940.365530][T12567] Cannot link a netdevsim to itself
[  940.366301][T12567] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).