[  492.491639] netdevsim netdevsim513 eni513np1: renamed from eth1
[  492.587097] netdevsim netdevsim424 eni424np1: renamed from eth0
[  492.829637] Could not find device with ifindex 2000 in netnsfd 11
[  492.830017] Could not find netns with fd: 2000
[  492.830122] Cannot link a netdevsim to itself
[  492.830236] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).