diff --git a/server/container.go b/server/container.go
index c690c68c..93d7133e 100644
--- a/server/container.go
+++ b/server/container.go
@@ -58,6 +58,7 @@ func (s *Server) getContainerFromRequest(req containerRequest) (*oci.Container,
 
 // CreateContainer creates a new container in specified PodSandbox
 func (s *Server) CreateContainer(ctx context.Context, req *pb.CreateContainerRequest) (res *pb.CreateContainerResponse, err error) {
+	logrus.Debugf("CreateContainer %+v", req)
 	sbID := req.GetPodSandboxId()
 	if sbID == "" {
 		return nil, fmt.Errorf("PodSandboxId should not be empty")
@@ -347,6 +348,7 @@ func (s *Server) createSandboxContainer(containerID string, containerName string
 
 // StartContainer starts the container.
 func (s *Server) StartContainer(ctx context.Context, req *pb.StartContainerRequest) (*pb.StartContainerResponse, error) {
+	logrus.Debugf("StartContainer %+v", req)
 	c, err := s.getContainerFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -361,6 +363,7 @@ func (s *Server) StartContainer(ctx context.Context, req *pb.StartContainerReque
 
 // StopContainer stops a running container with a grace period (i.e., timeout).
 func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest) (*pb.StopContainerResponse, error) {
+	logrus.Debugf("StopContainer %+v", req)
 	c, err := s.getContainerFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -376,6 +379,7 @@ func (s *Server) StopContainer(ctx context.Context, req *pb.StopContainerRequest
 // RemoveContainer removes the container. If the container is running, the container
 // should be force removed.
 func (s *Server) RemoveContainer(ctx context.Context, req *pb.RemoveContainerRequest) (*pb.RemoveContainerResponse, error) {
+	logrus.Debugf("RemoveContainer %+v", req)
 	c, err := s.getContainerFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -431,6 +435,7 @@ func filterContainer(c *pb.Container, filter *pb.ContainerFilter) bool {
 
 // ListContainers lists all containers by filters.
 func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersRequest) (*pb.ListContainersResponse, error) {
+	logrus.Debugf("ListContainers %+v", req)
 	var ctrs []*pb.Container
 	filter := req.Filter
 	ctrList := s.state.containers.List()
@@ -504,6 +509,7 @@ func (s *Server) ListContainers(ctx context.Context, req *pb.ListContainersReque
 
 // ContainerStatus returns status of the container.
 func (s *Server) ContainerStatus(ctx context.Context, req *pb.ContainerStatusRequest) (*pb.ContainerStatusResponse, error) {
+	logrus.Debugf("ContainerStatus %+v", req)
 	c, err := s.getContainerFromRequest(req)
 	if err != nil {
 		return nil, err
diff --git a/server/sandbox.go b/server/sandbox.go
index 9035d9db..3f03273d 100644
--- a/server/sandbox.go
+++ b/server/sandbox.go
@@ -85,6 +85,7 @@ func (s *Server) getPodSandboxFromRequest(req podSandboxRequest) (*sandbox, erro
 
 // RunPodSandbox creates and runs a pod-level sandbox.
 func (s *Server) RunPodSandbox(ctx context.Context, req *pb.RunPodSandboxRequest) (*pb.RunPodSandboxResponse, error) {
+	logrus.Debugf("RunPodSandbox %+v", req)
 	var processLabel, mountLabel string
 	// process req.Name
 	name := req.GetConfig().GetMetadata().GetName()
@@ -324,6 +325,7 @@ func (s *Server) RunPodSandbox(ctx context.Context, req *pb.RunPodSandboxRequest
 // StopPodSandbox stops the sandbox. If there are any running containers in the
 // sandbox, they should be force terminated.
 func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxRequest) (*pb.StopPodSandboxResponse, error) {
+	logrus.Debugf("StopPodSandbox %+v", req)
 	sb, err := s.getPodSandboxFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -355,6 +357,7 @@ func (s *Server) StopPodSandbox(ctx context.Context, req *pb.StopPodSandboxReque
 // RemovePodSandbox deletes the sandbox. If there are any running containers in the
 // sandbox, they should be force deleted.
 func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxRequest) (*pb.RemovePodSandboxResponse, error) {
+	logrus.Debugf("RemovePodSandbox %+v", req)
 	sb, err := s.getPodSandboxFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -414,6 +417,7 @@ func (s *Server) RemovePodSandbox(ctx context.Context, req *pb.RemovePodSandboxR
 
 // PodSandboxStatus returns the Status of the PodSandbox.
 func (s *Server) PodSandboxStatus(ctx context.Context, req *pb.PodSandboxStatusRequest) (*pb.PodSandboxStatusResponse, error) {
+	logrus.Debugf("PodSandboxStatus %+v", req)
 	sb, err := s.getPodSandboxFromRequest(req)
 	if err != nil {
 		return nil, err
@@ -483,6 +487,7 @@ func filterSandbox(p *pb.PodSandbox, filter *pb.PodSandboxFilter) bool {
 
 // ListPodSandbox returns a list of SandBoxes.
 func (s *Server) ListPodSandbox(ctx context.Context, req *pb.ListPodSandboxRequest) (*pb.ListPodSandboxResponse, error) {
+	logrus.Debugf("ListPodSandbox %+v", req)
 	var pods []*pb.PodSandbox
 	var podList []*sandbox
 	for _, sb := range s.state.sandboxes {
diff --git a/utils/utils.go b/utils/utils.go
index a37fd817..962a9949 100644
--- a/utils/utils.go
+++ b/utils/utils.go
@@ -144,7 +144,6 @@ func StartReaper() {
 		for {
 			// Wait for a child to terminate
 			sig := <-sigs
-			logrus.Infof("Signal received: %v", sig)
 			for {
 				// Reap processes
 				cpid, _ := syscall.Wait4(-1, nil, syscall.WNOHANG, nil)
@@ -152,7 +151,7 @@ func StartReaper() {
 					break
 				}
 
-				logrus.Infof("Reaped process with pid %d", cpid)
+				logrus.Debugf("Reaped process with pid %d %v", cpid, sig)
 			}
 		}
 	}()