[ 1036.351047][T12758] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1036.452377][T12757] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1038.245338][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1038.246346][T12750] Could not find netns with fd: 2000
[ 1038.247050][T12750] Cannot link a netdevsim to itself
[ 1038.247843][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).