Add tonis and mickael as maintainers

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

MAINTAINERS

@@ -12,6 +12,8 @@
     [Org."Core maintainers"]
         people = [
             "crosbymichael",
+            "tonistiigi",
+            "mlaventure",
         ]
 
 [people]
@@ -26,3 +28,14 @@
     Name = "Michael Crosby"
     Email = "crosbymichael@gmail.com"
     GitHub = "crosbymichael"
+
+    [people.tonistiigi]
+    Name = "Tõnis Tiigi"
+    Email = "tonis@docker.com"
+    GitHub = "tonistiigi"
+
+    [people.mlaventure]
+    Name = "Kenfe-Mickaël Laventure"
+    Email = "mickael.laventure@docker.com"
+    GitHub = "mlaventure"
+

containerd/main.go

@@ -112,6 +112,7 @@ func daemon(address, stateDir string, concurrency int, runtimeName string) error
 				logrus.WithField("error", err).Warn("containerd: reap child processes")
 			}
 		default:
+			logrus.Infof("stopping containerd after receiving %s", ss)
 			server.Stop()
 			os.Exit(0)
 		}