If you find yourself hit with a bunch of errors relating to snmp like the below

Error: Line 283: Label statement before first chip statement
Error: Line 284: Label statement before first chip statement
Error: Line 285: Label statement before first chip statement
Error: Line 286: Label statement before first chip statement
Error: Line 287: Label statement before first chip statement
Error: Line 288: Label statement before first chip statement
Error: Line 289: Label statement before first chip statement
Error: Line 322: Compute statement before first chip statement
Error: Line 323: Compute statement before first chip statement
Error: Line 324: Compute statement before first chip statement
Error: Line 325: Compute statement before first chip statement
Error: Line 1073: Parse error in chip name
Error: Line 1094: Parse error in chip name
Error: Line 1104: Parse error in chip name
Error: Line 1114: Parse error in chip name
Error: Line 1124: Parse error in chip name

Run the below

aptitude purge snmpd
apt-get purge libsensors3

Then reinstall snmpd