[  492.292957] netdevsim netdevsim434 eni434np1: renamed from eth0
[  492.391013] netdevsim netdevsim761 eni761np1: renamed from eth1
[  492.615704] Could not find device with ifindex 2000 in netnsfd 11
[  492.615880] Could not find netns with fd: 2000
[  492.615956] Cannot link a netdevsim to itself
[  492.616044] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).