[ 1186.645480][T12609] netdevsim netdevsim762 eni762np1: renamed from eth1
[ 1186.736100][T12608] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1189.475302][T12600] Could not find device with ifindex 2000 in netnsfd 11
[ 1189.476665][T12600] Could not find netns with fd: 2000
[ 1189.477635][T12600] Cannot link a netdevsim to itself
[ 1189.479000][T12600] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).