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[Bug 1541907] [NEW] qeth: layer2 reports unknown state to network tools.

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From: Launchpad Bug Tracker <1541907@xxxxxxxxxxxxxxxxxx>
Date: Wed, 10 Feb 2016 15:00:59 -0000
Reply-to: Bug 1541907 <1541907@xxxxxxxxxxxxxxxxxx>
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Please backport and integration the upstream linux commit below:

commit e5ebe63214d44d4dcf43df02edf3613e04d671b9
Author: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx>
Date:   Fri Dec 11 12:27:55 2015 +0100

    qeth: initialize net_device with carrier off
    
    /sys/class/net/<interface>/operstate for an active qeth network
    interface offen shows "unknown", which translates to "state UNKNOWN
    in output of "ip link show". It is caused by a missing initialization
    of the __LINK_STATE_NOCARRIER bit in the net_device state field.
    This patch adds a netif_carrier_off() invocation when creating the
    net_device for a qeth device.
    
    Signed-off-by: Ursula Braun <ubraun@xxxxxxxxxxxxxxxxxx>
    Acked-by: Hendrik Brueckner <brueckner@xxxxxxxxxxxxxxxxxx>
    Reference-ID: Bugzilla 133209
    Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: architecture-s39064 bot-comment bugnameltc-136623 severity-medium targetmilestone-inin1604
-- 
qeth: layer2 reports unknown state to network tools.
https://bugs.launchpad.net/bugs/1541907
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