[  484.901956] netdevsim netdevsim470 eni470np1: renamed from eth0
[  484.903775] netdevsim netdevsim644 eni644np1: renamed from eth1
[  485.246713] Could not find device with ifindex 2000 in netnsfd 11
[  485.246860] Could not find netns with fd: 2000
[  485.246933] Cannot link a netdevsim to itself
[  485.247017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).