[  523.358725] netdevsim netdevsim388 eni388np1: renamed from eth0
[  523.456255] netdevsim netdevsim605 eni605np1: renamed from eth1
[  523.698014] Could not find device with ifindex 2000 in netnsfd 11
[  523.698268] Could not find netns with fd: 2000
[  523.698367] Cannot link a netdevsim to itself
[  523.698486] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).