1This target marks packets so that the kernel will log every rule which match 
2the packets as those traverse the tables, chains, rules.
3.PP
4A logging backend, such as ip(6)t_LOG or nfnetlink_log, must be loaded for this
5to be visible.
6The packets are logged with the string prefix:
7"TRACE: tablename:chainname:type:rulenum " where type can be "rule" for 
8plain rule, "return" for implicit rule at the end of a user defined chain 
9and "policy" for the policy of the built in chains. 
10.br
11It can only be used in the
12.BR raw
13table.
14