[ 1312.408818][T12848] netdevsim netdevsim257 eni257np1: renamed from eth0
[ 1312.527347][T12845] netdevsim netdevsim747 eni747np1: renamed from eth1
[ 1315.154196][T12835] Could not find device with ifindex 2000 in netnsfd 11
[ 1315.156375][T12835] Could not find netns with fd: 2000
[ 1315.157332][T12835] Cannot link a netdevsim to itself
[ 1315.158672][T12835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).