[ 1238.839687][T11145] netdevsim netdevsim665 eni665np1: renamed from eth1
[ 1238.928919][T11147] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1242.271540][T11139] Could not find device with ifindex 2000 in netnsfd 11
[ 1242.272313][T11139] Could not find netns with fd: 2000
[ 1242.272891][T11139] Cannot link a netdevsim to itself
[ 1242.273630][T11139] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).