[  479.662722] netdevsim netdevsim391 eni391np1: renamed from eth0
[  479.764825] netdevsim netdevsim682 eni682np1: renamed from eth1
[  480.114678] Could not find device with ifindex 2000 in netnsfd 11
[  480.114856] Could not find netns with fd: 2000
[  480.114945] Cannot link a netdevsim to itself
[  480.115041] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).