[  508.858979] netdevsim netdevsim466 eni466np1: renamed from eth0
[  508.956516] netdevsim netdevsim683 eni683np1: renamed from eth1
[  509.193438] Could not find device with ifindex 2000 in netnsfd 11
[  509.193601] Could not find netns with fd: 2000
[  509.193672] Cannot link a netdevsim to itself
[  509.193759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).