[  511.823134] netdevsim netdevsim384 eni384np1: renamed from eth0
[  511.920475] netdevsim netdevsim575 eni575np1: renamed from eth1
[  512.123759] Could not find device with ifindex 2000 in netnsfd 11
[  512.123919] Could not find netns with fd: 2000
[  512.123995] Cannot link a netdevsim to itself
[  512.124083] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).