[ 1020.548590][T12584] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1020.665793][T12588] netdevsim netdevsim412 eni412np1: renamed from eth0
[ 1022.413384][T12580] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.414408][T12580] Could not find netns with fd: 2000
[ 1022.415140][T12580] Cannot link a netdevsim to itself
[ 1022.416057][T12580] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).