[ 1237.548803][T11138] netdevsim netdevsim757 eni757np1: renamed from eth1
[ 1237.550979][T11140] netdevsim netdevsim340 eni340np1: renamed from eth0
[ 1240.909391][T11132] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.910122][T11132] Could not find netns with fd: 2000
[ 1240.910732][T11132] Cannot link a netdevsim to itself
[ 1240.911534][T11132] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).