[ 1209.358068][T12780] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1209.465820][T12778] netdevsim netdevsim683 eni683np1: renamed from eth1
[ 1211.728165][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1211.729271][T12772] Could not find netns with fd: 2000
[ 1211.730521][T12772] Cannot link a netdevsim to itself
[ 1211.731548][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).