Fixed an issue where the firewall unexpectedly rebooted with the log message "Heartbeat failed previously"

Fixed an issue where inserting the NPC and DPC on slot2 created excessive logs in the `bcm.log file`.

Fixed an issue where, when viewing traffic or threat logs from the **Application Command Center** (ACC) or **Monitor** tabs, performing a reverse DNS lookup caused the *dnsproxy* process to restart if DNS server settings were not configured.