how to migrate bag file containing roslib/Log and visualization_msgs/MarkerArray

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Hi!

I want to migrate a bag file containing recorded with Diamondback to Electric. The bag contains roslib/Log messages which seem to be missing in Electric, plus visualization_msgs/MarkerArray for which there are no migration rules.

So I run rosbag fix xxx.bag xxx-fixed.bag and after a while I am confronted with the message:

* From: roslib/Log [acffd30cd6b6de30f120938c17c593fb]
   To:   Unknown
    1 rules missing:
     * From: roslib/Log [acffd30cd6b6de30f120938c17c593fb]
       To:   Unknown
 * From: visualization_msgs/MarkerArray [f10fe193d6fac1bf68fad5d31da421a7]
   To:   visualization_msgs/MarkerArray [90da67007c26525f655c1c269094e39f]
    1 rules missing:
     * From: visualization_msgs/Marker [bc7602ad2ba78f4cbe1c23250683bdc0]
       To:   visualization_msgs/Marker [18326976df9d29249efc939e00342cde]
Try running 'rosbag check' to create the necessary rule files or run 'rosbag fix' with the '--force' option.

So I do as it wishes and run rosbag check 2011-06-24-19-30-36.bag -g myRule.bmr which results in:

WARNING: Within rule [GENERATED.update_visualization_msgs_MarkerArray_f10fe193d6fac1bf68fad5d31da421a7] cannot migrate from subtype [Marker] to [Marker]..
The following migrations need to occur:
 * From: roslib/Log [acffd30cd6b6de30f120938c17c593fb]
   To:   Unknown
    1 rules missing:
     * From: roslib/Log [acffd30cd6b6de30f120938c17c593fb]
       To:   Unknown
 * From: visualization_msgs/MarkerArray [f10fe193d6fac1bf68fad5d31da421a7]
   To:   visualization_msgs/MarkerArray [90da67007c26525f655c1c269094e39f]
    1 rules missing:
     * From: visualization_msgs/Marker [bc7602ad2ba78f4cbe1c23250683bdc0]
       To:   visualization_msgs/Marker [18326976df9d29249efc939e00342cde]
The message type roslib/Log appears to have moved.  Please enter the type to migrate it to.
>

What am I supposed to do now? And does anyone have a migration rule for the MarkerArrays or know how to auto-generate them?