[  479.968294] netdevsim netdevsim407 eni407np1: renamed from eth0
[  480.070680] netdevsim netdevsim713 eni713np1: renamed from eth1
[  480.419087] Could not find device with ifindex 2000 in netnsfd 11
[  480.419272] Could not find netns with fd: 2000
[  480.419382] Cannot link a netdevsim to itself
[  480.419519] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).