[  946.626040][T12468] netdevsim netdevsim263 eni263np1: renamed from eth0
[  946.756931][T12467] netdevsim netdevsim514 eni514np1: renamed from eth1
[  948.352869][T12460] Could not find device with ifindex 2000 in netnsfd 11
[  948.360352][T12460] Could not find netns with fd: 2000
[  948.361043][T12460] Cannot link a netdevsim to itself
[  948.361768][T12460] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).