5584:20160812:213749.758 SNMP agent item "snmp.interface.discovery[ethernet]" on host "router 3" failed: first network error, wait for 1 seconds
  5592:20160812:213752.308 resuming SNMP agent checks on host "router 2": connection restored
  5595:20160812:213800.461 SNMP agent item "snmp.interface.discovery[ethernet]" on host "router 3" failed: another network error, wait for 1 seconds
  5583:20160812:213806.456 SNMP agent item "snmp.host.cpuLoad[1]" on host "router 2" failed: first network error, wait for 1 seconds
  5595:20160812:213806.937 resuming SNMP agent checks on host "router 2": connection restored
  5592:20160812:213809.563 SNMP agent item "snmp.interface.discovery[ethernet]" on host "router 3" failed: another network error, wait for 1 seconds
  5587:20160812:213813.881 SNMP agent item "snmp.host.cpuLoad[6]" on host "router 2" failed: first network error, wait for 1 seconds
  5596:20160812:213816.432 resuming SNMP agent checks on host "router 2": connection restored
  5592:20160812:213818.724 SNMP agent item "snmp.interface.discovery[ethernet]" on host "router 3" failed: another network error, wait for 1 seconds
  5584:20160812:213819.700 SNMP agent item "snmp.host.cpuLoad[1]" on host "router 2" failed: first network error, wait for 1 seconds
  5593:20160812:213820.475 resuming SNMP agent checks on host "router 2": connection restored
  5592:20160812:213827.920 SNMP agent item "snmp.interface.discovery[ethernet]" on host "router 3" failed: another network error, wait for 1 seconds
  5584:20160812:213829.804 SNMP agent item "snmp.host.cpuLoad[6]" on host "router 2" failed: first network error, wait for 1 seconds
  5595:20160812:213831.113 resuming SNMP agent checks on host "router 2": connection restored
  5592:20160812:213837.023 temporarily disabling SNMP agent checks on host "router 3": host unavailable