[ 1209.851471][T11138] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1209.899850][T11137] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1213.225580][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1213.226303][T11130] Could not find netns with fd: 2000
[ 1213.226921][T11130] Cannot link a netdevsim to itself
[ 1213.227652][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).