After upgrade from RHEL 7.2 to 7.3, there are huge numbers of DNS errors in squid logs
Issue
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We have upgraded from version RH 7.2 to 7.3 and consequently from squid 3.3 to 3.5. After that
cache.logof is full of the following errors:2016/11/17 09:20:36 kid1| comm_udp_sendto: FD 6, (family=10) [::1]:53: (113) No route to host 2016/11/17 09:20:36 kid1| idnsSendQuery: FD 6: sendto: (113) No route to hostWe don't use DNS resolution on our squid servers, so we don't understand why this is happening.
Environment
- Red Hat Enterprise Linux (RHEL) 7.3
- Squid 3.5
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