[ 1007.947594][T12132] netdevsim netdevsim478 eni478np1: renamed from eth0
[ 1008.063288][T12133] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1009.880833][T12457] Could not find device with ifindex 2000 in netnsfd 11
[ 1009.881869][T12457] Could not find netns with fd: 2000
[ 1009.882581][T12457] Cannot link a netdevsim to itself
[ 1009.883914][T12457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).