[  427.462400] netdevsim netdevsim351 eni351np1: renamed from eth0
[  427.463087] netdevsim netdevsim631 eni631np1: renamed from eth1
[  427.544937] Could not find device with ifindex 2000 in netnsfd 11
[  427.545022] Could not find netns with fd: 2000
[  427.545064] Cannot link a netdevsim to itself
[  427.545114] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).