[  486.817290] netdevsim netdevsim426 eni426np1: renamed from eth0
[  486.918018] netdevsim netdevsim762 eni762np1: renamed from eth1
[  487.249533] Could not find device with ifindex 2000 in netnsfd 11
[  487.249653] Could not find netns with fd: 2000
[  487.249720] Cannot link a netdevsim to itself
[  487.249816] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).