[ 1034.349813][T12755] netdevsim netdevsim569 eni569np1: renamed from eth1
[ 1034.357789][T12758] netdevsim netdevsim339 eni339np1: renamed from eth0
[ 1036.106034][T12750] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.106947][T12750] Could not find netns with fd: 2000
[ 1036.107602][T12750] Cannot link a netdevsim to itself
[ 1036.108339][T12750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).