[  704.809138][T13089] netdevsim netdevsim340 eni340np1: renamed from eth0
[  704.838021][T13092] netdevsim netdevsim572 eni572np1: renamed from eth1
[  705.470246][T13076] Could not find device with ifindex 2000 in netnsfd 11
[  705.471085][T13076] Could not find netns with fd: 2000
[  705.471475][T13076] Cannot link a netdevsim to itself
[  705.471966][T13076] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).