Merge pull request #508 from thaJeztah/carry_365

Do not "Bind" docker "To" containerd (carry #365)

contrib/init/systemd/docker.service

@@ -1,10 +1,9 @@
 [Unit]
 Description=Docker Application Container Engine
 Documentation=https://docs.docker.com
-BindsTo=containerd.service
 After=network-online.target firewalld.service containerd.service multi-user.target
 Wants=network-online.target
-Requires=docker.socket
+Requires=docker.socket containerd.service
 
 [Service]
 Type=notify