[ 1009.492389][T12127] netdevsim netdevsim395 eni395np1: renamed from eth0
[ 1009.586947][T12123] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1011.466525][T12447] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.467443][T12447] Could not find netns with fd: 2000
[ 1011.468070][T12447] Cannot link a netdevsim to itself
[ 1011.468811][T12447] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).