[ 1220.593811][T11123] netdevsim netdevsim314 eni314np1: renamed from eth0
[ 1220.596489][T11121] netdevsim netdevsim729 eni729np1: renamed from eth1
[ 1223.999013][T11115] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.999811][T11115] Could not find netns with fd: 2000
[ 1224.000393][T11115] Cannot link a netdevsim to itself
[ 1224.001127][T11115] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).