This command:
JBossFuse:karaf@root> fabric:container-create-child root child 2

Should create:
The following containers have been created successfully:
Container: child1.
Container: child2.

But - it actually creates: children named: "child" and "2"

Creating file: /jboss/local/Fuse_servers/jboss-fuse-6.2.0.redhat-016/instances/child2/etc/org.apache.karaf.shell.cfg
Creating file: /jboss/local/Fuse_servers/jboss-fuse-6.2.0.redhat-016/instances/child2/etc/org.apache.karaf.management.cfg
Creating file: /jboss/local/Fuse_servers/jboss-fuse-6.2.0.redhat-016/instances/child2/bin/karaf
Creating file: /jboss/local/Fuse_servers/jboss-fuse-6.2.0.redhat-016/instances/child2/bin/start
Creating file: /jboss/local/Fuse_servers/jboss-fuse-6.2.0.redhat-016/instances/child2/bin/stop
The following containers have been created successfully:
Container: child.
Container: child2.