Fix check mode in iptables_state for incomplete iptables-save files along with integration tests (#8029)
* Implement integration test to reproduce #7463
* Make new iptables_state checks async
* Add missing commit to iptable_state integration test
* Remove async when using checkmode in iptables_state integration tests
* Do per table comparison in check mode for iptables_state
* Calculate changes of iptables state per table based on result
* Output target iptables state in checkmode
* Refactor calculation of invidual table states in iptables_state
* Add missing return for table calculation
* Add missing arg to regex check
* Remove leftover debug output for target iptable state
* Parse per table state from raw state string
* Join restored state for extration of table specific rules
* Switch arguments for joining restored iptable state
* Output final ip table state
* Compare content of tables
* Complete iptables partial tables test cases
* Correct order of test iptables data
* Update docu for iptables tables_after
* Add changelog fragment
* Appease the linting gods for iptables_state
* Adjust spelling and remove tables_after from return values
(cherry picked from commit 23396e62dc)
Co-authored-by: Maxopoly <max@dermax.org>
