Traffic Log - Network & Host Exploit Mitigation Logs Question

Hi

Looking at the SEP network and host mitigation traffic log on my workstation, I see a lot of traffic not destined for my PC. This traffic shows up as blocked. For example, the majorityof it is UDP SNMP traffic on port 161 between printers and various other IP addresses.  

Why does this traffic show up in my workstation's SEP traffic log when it's not destined for my PC?