debian/links

   1 usr/share/pve-firewall/scripts/ifupdown.sh etc/network/if-up.d/pve-firewall
   2 usr/share/pve-firewall/scripts/ifupdown.sh etc/network/if-down.d/pve-firewall
   3 usr/share/pve-firewall/scripts/ifupdown.sh etc/network/if-pre-up.d/pve-firewall
   4 usr/share/pve-firewall/scripts/ifupdown.sh etc/network/if-post-down.d/pve-firewall