[  705.684632][T13028] netdevsim netdevsim321 eni321np1: renamed from eth0
[  705.702971][T13029] netdevsim netdevsim691 eni691np1: renamed from eth1
[  706.318998][T13016] Could not find device with ifindex 2000 in netnsfd 11
[  706.319975][T13016] Could not find netns with fd: 2000
[  706.320547][T13016] Cannot link a netdevsim to itself
[  706.325599][T13016] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).