[  479.426131] netdevsim netdevsim583 eni583np1: renamed from eth1
[  479.426622] netdevsim netdevsim508 eni508np1: renamed from eth0
[  479.521840] Could not find device with ifindex 2000 in netnsfd 11
[  479.521985] Could not find netns with fd: 2000
[  479.522094] Cannot link a netdevsim to itself
[  479.522217] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).