Error exposing ports in shared machines

[amparorvd]

Describe the bug
"Error exposing ports in shared machines"

To Reproduce
Steps to reproduce the behavior:

1. Go to virt-viewer When the virtual machine gets started Ravada searches for a free port in the host to expose the port through.
2. Click on 22 ssh the user can connect to the IP x.x.x.x port XXX to access the SSH server inside the virtual machine.

Expected behavior
"Error exposing ports in shared machines"

Screenshots
Close_exposed_ports done Error: user user.name not authorized to delete iptables rule at /usr/share/perl5/Ravada.pm line 6785
Refresh_machine_ports USER 5611 not authorized to refresh machine ports for domain Linux.SO.name.user at /usr/share/perl5/Ravada.pm line 5616

Ravada Versión 2.2.0-rc1