[ 1248.611125][T13014] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1248.709899][T13015] netdevsim netdevsim420 eni420np1: renamed from eth0
[ 1251.278370][T13003] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.279499][T13003] Could not find netns with fd: 2000
[ 1251.280346][T13003] Cannot link a netdevsim to itself
[ 1251.281418][T13003] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).