Added parser for Linux kernel netfilter firewall log #9309

Job	Run time
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, gcc)	12m 50s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=On, clang)	12m 48s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, gcc)	12m 14s
run-ubuntu-unit-tests (-DFLB_JEMALLOC=Off, clang)	12m 5s
run-ubuntu-unit-tests (-DFLB_SMALL=On, gcc)	12m 18s
run-ubuntu-unit-tests (-DFLB_SMALL=On, clang)	13m 12s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, gcc)	12m 24s
run-ubuntu-unit-tests (-DSANITIZE_ADDRESS=On, clang)	12m 15s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, gcc)	12m 22s
run-ubuntu-unit-tests (-DSANITIZE_UNDEFINED=On, clang)	12m 19s
run-ubuntu-unit-tests (-DFLB_COVERAGE=On, gcc)	44m 45s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, gcc)	12m 13s
run-ubuntu-unit-tests (-DFLB_SANITIZE_MEMORY=On, clang)	12m 9s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, gcc)	12m 5s
run-ubuntu-unit-tests (-DFLB_SANITIZE_THREAD=On, clang)	12m 19s
run-macos-unit-tests (-DFLB_JEMALLOC=Off)	12m 2s
run-macos-unit-tests (-DFLB_SANITIZE_MEMORY=On)	11m 50s
run-macos-unit-tests (-DFLB_SANITIZE_THREAD=On)	11m 53s
Unit tests (matrix)	1s
	4h 14m 4s

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