[  487.675491] netdevsim netdevsim516 eni516np1: renamed from eth1
[  487.771498] netdevsim netdevsim344 eni344np1: renamed from eth0
[  487.984373] Could not find device with ifindex 2000 in netnsfd 11
[  487.984712] Could not find netns with fd: 2000
[  487.984816] Cannot link a netdevsim to itself
[  487.984939] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).