[ 1224.147010][T11131] netdevsim netdevsim268 eni268np1: renamed from eth0
[ 1224.243061][T11129] netdevsim netdevsim690 eni690np1: renamed from eth1
[ 1227.616271][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.617057][T11123] Could not find netns with fd: 2000
[ 1227.617665][T11123] Cannot link a netdevsim to itself
[ 1227.618628][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).