Try to recover from issues with Labtainers by removing all containers and re-installing.

labtainer-reset.sh

#!/bin/sh
# In case of Labtainer catastrophe, try this.

# Remove all containers:
for container in $(docker ps --all --quiet)
do
    docker rm --force $container
done

# Update Labtainers just in case:
~/labtainer/update-labtainer.sh

# Run the labtainer command again, and hope for the best...