[ 1376.573737][T13149] netdevsim netdevsim737 eni737np1: renamed from eth1
[ 1376.631823][T13150] netdevsim netdevsim375 eni375np1: renamed from eth0
[ 1379.591591][T13138] Could not find device with ifindex 2000 in netnsfd 11
[ 1379.595013][T13138] Could not find netns with fd: 2000
[ 1379.596436][T13138] Cannot link a netdevsim to itself
[ 1379.598089][T13138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).