[   0.0] Examining the guest ...
libvirt: XML-RPC error : Cannot recv data: Connection reset by peer
virt-customize: error: libguestfs error: could not connect to libvirt (URI 
= qemu:///session): Cannot recv data: Connection reset by peer [code=38 
int1=104]

If reporting bugs, run virt-customize with debugging enabled and include 
the complete output:

  virt-customize -v -x [...]