MINOR: mux-h2/trace: always report the h2c/h2s state and flags

There's no limitation to just "state" trace level anymore, we're
expected to always show these internal states at verbosity levels
above "clean".
diff --git a/src/mux_h2.c b/src/mux_h2.c
index 3097fc4..1023d20 100644
--- a/src/mux_h2.c
+++ b/src/mux_h2.c
@@ -505,13 +505,13 @@
 	if (h2c->st0 < H2_CS_FRAME_H) // nothing to add for now
 		return;
 
-	if (src->level >= TRACE_LEVEL_STATE) {
+	if (src->verbosity > H2_VERB_CLEAN) {
 		if (!h2s)
-			chunk_appendf(&trace_buf, " : h2c=%p st=%d", h2c, h2c->st0);
+			chunk_appendf(&trace_buf, " : h2c=%p(%s)", h2c, h2c_st_to_str(h2c->st0));
 		else if (h2s->id <= 0)
-			chunk_appendf(&trace_buf, " : h2c=%p st=%d dsi=%d (st=%d)", h2c, h2c->st0, h2c->dsi, h2s->st);
+			chunk_appendf(&trace_buf, " : h2c=%p(%s) dsi=%d h2s=%p(%d,%s)", h2c, h2c_st_to_str(h2c->st0), h2c->dsi, h2s, h2s->id, h2s_st_to_str(h2s->st));
 		else
-			chunk_appendf(&trace_buf, " : h2c=%p st=%d h2s=%p id=%d st=%d", h2c, h2c->st0, h2s, h2s->id, h2s->st);
+			chunk_appendf(&trace_buf, " : h2c=%p(%s) h2s=%p(%d,%s)", h2c, h2c_st_to_str(h2c->st0), h2s, h2s->id, h2s_st_to_str(h2s->st));
 	}
 
 	/* Let's dump decoded requests and responses right after parsing. They