[ 1237.313012][T12606] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1237.409766][T12607] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1240.117274][T12595] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.118536][T12595] Could not find netns with fd: 2000
[ 1240.119498][T12595] Cannot link a netdevsim to itself
[ 1240.120610][T12595] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).