match_rule        158 lib/services/systemd.c     const char *match_rule = "type='signal',"
match_rule        169 lib/services/systemd.c     dbus_bus_add_match(systemd_proxy, match_rule, &error);
match_rule        181 lib/services/systemd.c         dbus_bus_remove_match(systemd_proxy, match_rule, &error);