[  479.885314] netdevsim netdevsim290 eni290np1: renamed from eth0
[  479.885883] netdevsim netdevsim658 eni658np1: renamed from eth1
[  479.974923] Could not find device with ifindex 2000 in netnsfd 11
[  479.975043] Could not find netns with fd: 2000
[  479.975096] Cannot link a netdevsim to itself
[  479.975150] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).