+/**
+ * QUERY_REPLY = Timer running to reply to a G/SG specific query
+ * QUERY_SENT = wait for response from a sent G/SG specific query.
+ * Sent when a host leaves a group
+ * RESEND_REPORT = Timer running to resend report
+ * FILTER_MODE_CHANGE = to check if the group can swap to
+ * INCLUDE mode (section 6.2.2)
+ */
+#define foreach_igmp_group_timer \
+ _(QUERY_REPLY, "query-reply") \
+ _(QUERY_SENT, "query-sent") \
+ _(RESEND_REPORT, "resend-report") \
+ _(FILTER_MODE_CHANGE, "filter-mode-change")
+