[  485.416622] netdevsim netdevsim326 eni326np1: renamed from eth0
[  485.517538] netdevsim netdevsim514 eni514np1: renamed from eth1
[  485.895100] Could not find device with ifindex 2000 in netnsfd 11
[  485.895275] Could not find netns with fd: 2000
[  485.895379] Cannot link a netdevsim to itself
[  485.895504] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).