[ 1035.007145][T12753] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1035.115437][T12756] netdevsim netdevsim404 eni404np1: renamed from eth0
[ 1036.947726][T12748] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.948771][T12748] Could not find netns with fd: 2000
[ 1036.956387][T12748] Cannot link a netdevsim to itself
[ 1036.957632][T12748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).