diff --git a/src/salloc.cc b/src/salloc.cc
index 8f48002e1ae94cd25f8b373149103d1d269f27b6..2d560962907a18de35b074c7f0f17e437d6e4d52 100644
--- a/src/salloc.cc
+++ b/src/salloc.cc
@@ -163,7 +163,10 @@ arena_init(struct arena *arena, size_t size)
 		    "(https://bugzilla.openvz.org/show_bug.cgi?id=2805)");
 		flags = MAP_PRIVATE | MAP_ANONYMOUS;
 		private_arena = true;
-        }
+        } else {
+		say_info("Mapping %zu bytes for a shared arena",
+			 arena->mmap_size);
+	}
 
 	arena->mmap_base = mmap(NULL, arena->mmap_size,
 				PROT_READ | PROT_WRITE, flags, -1, 0);
diff --git a/test/box/args.test b/test/box/args.test
index 8e7d546b51a0314fe035c373c7503097832575f8..8e73abc7bdd9bc8f780fb79553483ee6d384e804 100644
--- a/test/box/args.test
+++ b/test/box/args.test
@@ -61,6 +61,7 @@ os.symlink(os.path.abspath("box/bug726778.cfg"), cfg)
 
 sys.stdout.push_filter("(/\S+)+/tarantool", "tarantool")
 sys.stdout.push_filter(".*(P|p)lugin.*", "")
+sys.stdout.push_filter(".*shared.*", "")
 server.test_option("--config=bug726778.cfg --init-storage")
 sys.stdout.pop_filter()