[ 1211.157961][T11142] netdevsim netdevsim623 eni623np1: renamed from eth1
[ 1211.176638][T11143] netdevsim netdevsim353 eni353np1: renamed from eth0
[ 1214.575734][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1214.576869][T11135] Could not find netns with fd: 2000
[ 1214.577791][T11135] Cannot link a netdevsim to itself
[ 1214.578881][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).