+.BI state= label
+The service's internal state machine is confused.
+.RE
+.SP
+.BI "USER conntrack " up \fR| down " " group = peer\fR... " " reason\fR...
+The network connection has apparently gone up or down, and
+.B conntrack
+is about to kill and/or connect peers accordingly: for each group, the
+selected peer is listed; if a group is not listed, then either the group
+is to be brought down, or no matching peer was found. The
+.I reason
+is one of the following.
+.RS