Zabbix

.......PS. [ZBXNEXT-2732] fixed network discovery

* commit '05f81d4061d2dd119d6388a9c7e6e5c966bf553c':
  .......PS. [ZBXNEXT-2732] fixed double rtc subscription by preprocessing manager
  .......PS. [ZBXNEXT-2732] fixed pending checks count for modified discovery rule
  .......PS. [ZBXNEXT-2732] removed non thread compatible snmp_api_errstring()
  .......PS. [ZBXNEXT-2732] fixed c99 compatibility warning
  .......PS. [ZBXNEXT-2732] fixed get_agent_value() to not close socket twice
  .......PS. [ZBXNEXT-2732] fixed queue size limit
  .......PS. [ZBXNEXT-2732] fixed icmpping check dns name
  .......PS. [ZBXNEXT-2732] fixed coverity warning
  .......PS. [ZBXNEXT-2732] fixed proxy initialization
  .......PS. [ZBXNEXT-2732] fixed discovery manager process priority
  .......PS. [ZBXNEXT-2732] fixed discovery of overlapping IP addresses and ports
  .......PS. [ZBXNEXT-2732] fixed to use strcmp() when rdns flag is not set
  .......PS. [ZBXNEXT-2732] removed unnecessary vector search
  .......PS. [ZBXNEXT-2732] fixed icmpping ipv6 checks
  .......PS. [ZBXNEXT-2732] fixed multiple icmpping checks
  .......PS. [ZBXNEXT-2732] fixed processing of discovery rule with multiple icmpping checks
  .......PS. [ZBXNEXT-2732] fixed coverity warnings