socket.c:2135: unexpected error:

hotta at iij.ad.jp hotta at iij.ad.jp
Tue Jun 5 02:57:21 UTC 2018


Hi,

After upgrading BIND from 9.9.9-P5 to 9.11.3., the following messages
have been displayed continuously in the file /var/log/messages as below.

---------
May 29 02:36:50 dns01 nanny[5609]: debug start 1
May 29 02:37:08 dns01 named[1679]: socket.c:2135: unexpected error:
May 29 02:37:08 dns01 named[1679]: internal_send: [global IPv6 address]#38306: Invalid argument
May 29 02:37:20 dns01 nanny[5617]: debug start 1
May 29 02:37:24 dns01 named[1679]: socket.c:2135: unexpected error:
May 29 02:37:24 dns01 named[1679]: internal_send: [global IPv6 address]#36987: Invalid argument
May 29 02:37:47 dns01 named[1679]: socket.c:2135: unexpected error:
May 29 02:37:47 dns01 named[1679]: internal_send: [global IPv6 address]#35862: Invalid argument
May 29 02:37:48 dns01 named[1679]: socket.c:2135: unexpected error:
May 29 02:37:48 dns01 named[1679]: internal_send: [global IPv6 address]#39895: Invalid argument
May 29 02:37:50 dns01 nanny[5632]: debug start 1
May 29 02:38:00 dns01 named[1679]: socket.c:2135: unexpected error:
May 29 02:38:00 dns01 named[1679]: internal_send: [global IPv6 address]#38979: Invalid argument 
:
---------

OS  : Red Hat Enterprise Linux Server 6.5

DNS service seems to be working fine, but I don't understand the cause
and how to fix the errors.

Any advice would be greatly appreciated.


Regards,
Hotta





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