[Bug 1449606] [NEW] Firewall status changed to Error if a rule was inserted or removed

Public bug reported: Inserting/removing firewall rule does not handled properly. Inserting/removing rule results to: - The firewall removed from a router. filter table is clear. Old rules were removed and no new rules were created in the filter table of the iptables - The Firewall has ERROR

[Bug 1449606] [NEW] Firewall status changed to Error if a rule was inserted or removed

Public bug reported: Inserting/removing firewall rule does not handled properly. Inserting/removing rule results to: - The firewall removed from a router. filter table is clear. Old rules were removed and no new rules were created in the filter table of the iptables - The Firewall has ERROR