Code:
Jun 16 13:42:19 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 13:46:59 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-0/cpu-user". Jun 16 13:46:59 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 14:26:59 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-5/cpu-user". Jun 16 14:26:59 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 15:09:39 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-2/cpu-user". Jun 16 15:09:39 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 15:28:09 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-3/cpu-user". Jun 16 15:28:09 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 15:34:39 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-1/cpu-user". Jun 16 15:34:39 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 16:17:19 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-3/cpu-user". Jun 16 16:17:19 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 17:08:49 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-0/cpu-user". Jun 16 17:08:49 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 17:15:39 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-1/cpu-user". Jun 16 17:15:39 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 17:27:09 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-1/cpu-user". Jun 16 17:27:09 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 17:34:59 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-1/cpu-user". Jun 16 17:34:59 freenas collectd[3311]: utils_vl_lookup: The user object callback failed with status 2. Jun 16 19:12:39 freenas collectd[3311]: aggregation plugin: Unable to read the current rate of "freenas.local/cpu-2/cpu-system".
What is this?