From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Gora <dg@adax.com>
Subject: Re: [PATCH 2/2] kni: set default carrier state to 'off'
Date: Tue, 18 Sep 2018 15:34:42 -0300
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Cc: dev@dpdk.org, Igor Ryzhov <iryzhov@nfware.com>,
 Stephen Hemminger <stephen@networkplumber.org>
To: Ferruh Yigit <ferruh.yigit@intel.com>
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On Tue, Sep 18, 2018 at 1:48 PM, Ferruh Yigit <ferruh.yigit@intel.com> wrote:
> I just read the other thread, including Igor's and your comment about starting
> the interface down, overall I got your point but my concerns is if someone has a
> solution based on assumption that interface will be up when created will be
> affected.
>

The carrier state of the interface does not come up in the "up" state
currently.  It comes up either in the "down" state or in the "unknown"
state, which is really the worst of all worlds..

RHEL/Centos 7.5 running 'test->kni_autotest'

6: test_kni_port: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1450 qdisc
pfifo_fast state UNKNOWN group default qlen 1000
   link/ether ca:40:e8:72:68:29 brd ff:ff:ff:ff:ff:ff
   inet6 fe80::691c:755e:5257:83af/64 scope link noprefixroute
      valid_lft forever preferred_lft forever

-dan