Prior to 7a9b680a, the container short ID was added to the network
aliases only for custom networks. However, this logic wasn't preserved
in 6a2542d and now the cid is always added to the list of network
aliases.
This commit reintroduces the old logic.
Signed-off-by: Albin Kerouanton <albinker@gmail.com>
(cherry picked from commit 9f37672ca8)
Signed-off-by: Albin Kerouanton <albinker@gmail.com>
e8801fbe26