[ 1237.114444][T12874] netdevsim netdevsim748 eni748np1: renamed from eth1
[ 1237.221284][T12877] netdevsim netdevsim467 eni467np1: renamed from eth0
[ 1239.878325][T12864] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.880193][T12864] Could not find netns with fd: 2000
[ 1239.882223][T12864] Cannot link a netdevsim to itself
[ 1239.914478][T12864] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).