[outages] ipv6 packet loss in DEN for comcast?

[Paul Ebersman]

I'm seeing heavy packet loss within DEN metro for comcast on ipv6 (but
not ipv4).

mtr to my mail host follows. packet loss the same hop for any site on
the internet i try to reach via ipv6.

anyone else seeing issues?

HOST: localhost.                                       Loss%   Snt
Last   Avg  Best  Wrst StDev
  1.|-- xxxxxxxxxxxxxxxxx                                 0.0%    10 4.1   4.8   2.5  12.9   2.9
  2.|-- xxxxxxxxxxxxxxxxx                                 0.0%    10 14.2  15.4  13.1  20.2   2.2
  3.|-- ae-251-1203-rur01.monument.co.denver.comcast.net  0.0%    10 15.9  20.7  13.2  36.0   8.2
  4.|-- ae-12-ar01.denver.co.denver.comcast.net           0.0%    10 23.5  20.6  14.9  32.9   5.4
  5.|-- 2001:558:1c0:1058::1                             40.0%    10 15.4  18.1  14.8  27.3   4.8
  6.|-- be-36031-cs03.1601milehigh.co.ibone.comcast.net  90.0%    10 15.8  15.8  15.8  15.8   0.0
  7.|-- be-1314-cr14.1601milehigh.co.ibone.comcast.net   40.0%    10 17.8  17.2  16.1  17.8   0.6
  8.|-- be-303-cr14.champa.co.ibone.comcast.net          70.0%    10 18.9  21.1  18.4  26.0   4.2
  9.|-- be-1214-cs02.champa.co.ibone.comcast.net         60.0%    10 16.8  17.3  16.7  17.8   0.6
 10.|-- be-1212-cr12.champa.co.ibone.comcast.net         30.0%    10 17.2  19.4  15.7  25.5   3.3
 11.|-- be-301-cr11.sunnyvale.ca.ibone.comcast.net        0.0%    10 42.2  42.1  39.6  43.8   1.3
 12.|-- ???                                              100.0    10 0.0   0.0   0.0   0.0   0.0
 13.|-- be-3202-pe02.529bryant.ca.ibone.comcast.net       0.0%    10 42.6  43.4  40.7  48.3   2.3
 14.|-- 2001:559::14e                                     0.0%    10 42.7  43.5  41.3  48.8   2.1
 15.|-- mail.dragon.net                                   0.0%    10 42.1  42.7  40.7  47.5   1.9