[ 1232.509081][T12909] netdevsim netdevsim519 eni519np1: renamed from eth1
[ 1232.646463][T12908] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1235.181262][T12900] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.182431][T12900] Could not find netns with fd: 2000
[ 1235.183367][T12900] Cannot link a netdevsim to itself
[ 1235.184547][T12900] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).