Symptom

FTD messages file may be flooded with host cache related logs such as the following: Jan 6 04:10:45 firepower SF-IMS[46291]: 0000:0000:0000:0000:0000:ffff:9b80:b3a9 not found in host cache Jan 6 04:10:45 firepower SF-IMS[46291]: Control: received command, host_cache.delete_host('0000:0000:0000:0000:0000:ffff:9b73:0447') Jan 6 04:10:45 firepower SF-IMS[46291]: 0000:0000:0000:0000:0000:ffff:9b73:0447 not found in host cache Jan 6 04:10:45 firepower SF-IMS[46291]: Control: received command, host_cache.delete_host('0000:0000:0000:0000:0000:ffff:9b63:069f') Jan 6 04:10:45 firepower SF-IMS[46291]: 0000:0000:0000:0000:0000:ffff:9b63:069f not found in host cache Jan 6 04:10:45 firepower SF-IMS[46291]: Control: received command, host_cache.delete_host('0000:0000:0000:0000:0000:ffff:9b63:0451') Jan 6 04:10:45 firepower SF-IMS[46291]: 0000:0000:0000:0000:0000:ffff:9b63:0451 not found in host cache While the log(s) themselves do not indicate an issue, the rate of logs can impact the system as a whole.

Conditions

N/A

Workaround

Disable the Host / Network Map

Further Problem Description