Repro:

Having docker installed, try zypper dup to snapshot 20170314

Expected: upgrade succeeds

Instead: there are 2 problems computing an upgrade:

Reading installed packages...
Computing distribution upgrade...
Force resolution: No
Computing upgrade...
2 Problems:
Problem: docker-1.12.6-2.3.x86_64 requires containerd = 0.2.5+gitr569_2a5e70c,
but this requirement cannot be provided
Problem: docker-1.12.6-2.2.x86_64 requires runc = 0.1.1+gitr2819_50a19c6, but
this requirement cannot be provided

Problem: docker-1.12.6-2.3.x86_64 requires containerd = 0.2.5+gitr569_2a5e70c,
but this requirement cannot be provided
  deleted providers: containerd-0.2.5+gitr569_2a5e70c-2.1.x86_64
 Solution 1: Following actions will be done:
  deinstallation of docker-1.12.6-2.2.x86_64
  deinstallation of docker-bash-completion-1.12.6-2.2.noarch
  deinstallation of docker-compose-1.8.1-1.1.noarch
 Solution 2: keep obsolete containerd-0.2.5+gitr569_2a5e70c-2.1.x86_64
 Solution 3: break docker-1.12.6-2.3.x86_64 by ignoring some of its
dependencies

Choose from above solutions by number or skip, retry or cancel [1/2/3/s/r/c]
(c): 2
Applying solution 2

Problem: docker-1.12.6-2.2.x86_64 requires runc = 0.1.1+gitr2819_50a19c6, but
this requirement cannot be provided
  deleted providers: runc-0.1.1+gitr2819_50a19c6-1.1.x86_64
 Solution 1: Following actions will be done:
  deinstallation of docker-zsh-completion-1.12.6-2.2.noarch
  deinstallation of docker-bash-completion-1.12.6-2.2.noarch
  deinstallation of docker-compose-1.8.1-1.1.noarch
 Solution 2: keep obsolete runc-0.1.1+gitr2819_50a19c6-1.1.x86_64
 Solution 3: break docker-1.12.6-2.2.x86_64 by ignoring some of its
dependencies

Choose from above solutions by number or skip, retry or cancel [1/2/3/s/r/c]
(c): 2
Applying solution 2
Resolving dependencies...
Computing distribution upgrade...

It looks like runc and containerd were upgraded in factory while they shouldn't
have.