diff -Nru containerd-1.2.6/debian/changelog containerd-1.2.6/debian/changelog
--- containerd-1.2.6/debian/changelog	2020-11-26 18:32:58.000000000 +0000
+++ containerd-1.2.6/debian/changelog	2020-12-11 12:19:07.000000000 +0000
@@ -1,3 +1,12 @@
+containerd (1.2.6-0ubuntu1~16.04.6) xenial; urgency=medium
+
+  * d/control: add a Breaks for docker.io lower than 18.09.7-0ubuntu1~16.04.7
+    (LP: #1870514). The previous versions stop the docker daemon when a
+    containerd update is performed, this Breaks statement will make sure we
+    have a newer version which has the appropriate fix.
+
+ -- Lucas Kanashiro <kanashiro@ubuntu.com>  Fri, 11 Dec 2020 09:19:07 -0300
+
 containerd (1.2.6-0ubuntu1~16.04.5) xenial-security; urgency=medium
 
   * SECURITY UPDATE: Elevation of privilege vulnerability
diff -Nru containerd-1.2.6/debian/control containerd-1.2.6/debian/control
--- containerd-1.2.6/debian/control	2019-05-16 03:42:14.000000000 +0000
+++ containerd-1.2.6/debian/control	2020-12-11 12:19:07.000000000 +0000
@@ -20,7 +20,7 @@
 Package: containerd
 Architecture: linux-any
 Depends: runc (>= 1.0.0~rc7~), ${misc:Depends}, ${shlibs:Depends}
-Breaks: docker.io (<= 18.09.3~)
+Breaks: docker.io (<< 18.09.7-0ubuntu1~16.04.7)
 Built-Using: ${misc:Built-Using}
 Description: daemon to control runC
  Containerd is a daemon to control runC, built for performance and density.