[ 1290.542177][T13148] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1290.572454][T13151] netdevsim netdevsim699 eni699np1: renamed from eth1
[ 1293.284656][T13138] Could not find device with ifindex 2000 in netnsfd 11
[ 1293.287356][T13138] Could not find netns with fd: 2000
[ 1293.288530][T13138] Cannot link a netdevsim to itself
[ 1293.290096][T13138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).