[ 1304.201096][T13023] netdevsim netdevsim431 eni431np1: renamed from eth0
[ 1304.215713][T13024] netdevsim netdevsim531 eni531np1: renamed from eth1
[ 1306.781896][T13010] Could not find device with ifindex 2000 in netnsfd 11
[ 1306.783482][T13010] Could not find netns with fd: 2000
[ 1306.784495][T13010] Cannot link a netdevsim to itself
[ 1306.785665][T13010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).