[  489.034178] netdevsim netdevsim326 eni326np1: renamed from eth0
[  489.131726] netdevsim netdevsim710 eni710np1: renamed from eth1
[  489.348560] Could not find device with ifindex 2000 in netnsfd 11
[  489.348845] Could not find netns with fd: 2000
[  489.348937] Cannot link a netdevsim to itself
[  489.349042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).