[  472.856286] netdevsim netdevsim290 eni290np1: renamed from eth0
[  472.857339] netdevsim netdevsim766 eni766np1: renamed from eth0
[  472.937068] Could not find device with ifindex 2000 in netnsfd 11
[  472.937200] Could not find netns with fd: 2000
[  472.937305] Cannot link a netdevsim to itself
[  472.937422] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).