[ 1046.813488][T12757] netdevsim netdevsim676 eni676np1: renamed from eth1
[ 1046.834122][T12758] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1048.838806][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.840300][T12750] Could not find netns with fd: 2000
[ 1048.841453][T12750] Cannot link a netdevsim to itself
[ 1048.842704][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).