[  472.870270] netdevsim netdevsim382 eni382np1: renamed from eth0
[  472.871604] netdevsim netdevsim603 eni603np1: renamed from eth0
[  472.963117] Could not find device with ifindex 2000 in netnsfd 11
[  472.963218] Could not find netns with fd: 2000
[  472.963266] Cannot link a netdevsim to itself
[  472.963326] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).