How to stop messages writing to standard out when configuring Trapmon plugin

When configuring the Trapmon plugin the following output will start displaying on the screen over and over again

[root@itrsrh GA3.3.0-151116]# ./start29900.sh
[1] 23089
[root@itrsrh GA3.3.0-151116]# MIB search path: /root/.snmp/mibs:/usr/local/share/snmp/mibs
Cannot find module (SNMPv2-MIB): At line 0 in (none)
Cannot find module (IF-MIB): At line 0 in (none)
Cannot find module (IP-MIB): At line 0 in (none)
Cannot find module (TCP-MIB): At line 0 in (none)
Cannot find module (UDP-MIB): At line 0 in (none)
Cannot find module (HOST-RESOURCES-MIB): At line 0 in (none)
Cannot find module (NOTIFICATION-LOG-MIB): At line 0 in (none)
Cannot find module (DISMAN-EVENT-MIB): At line 0 in (none)
Cannot find module (DISMAN-SCHEDULE-MIB): At line 0 in (none)
Cannot find module (UCD-SNMP-MIB): At line 0 in (none)
Cannot find module (UCD-DEMO-MIB): At line 0 in (none)
Cannot find module (SNMP-TARGET-MIB): At line 0 in (none)
Cannot find module (NET-SNMP-AGENT-MIB): At line 0 in (none)
Cannot find module (HOST-RESOURCES-TYPES): At line 0 in (none)
Cannot find module (SNMP-MPD-MIB): At line 0 in (none)
Cannot find module (SNMP-USER-BASED-SM-MIB): At line 0 in (none)
Cannot find module (SNMP-FRAMEWORK-MIB): At line 0 in (none)
Cannot find module (SNMP-VIEW-BASED-ACM-MIB): At line 0 in (none)
Cannot find module (SNMP-COMMUNITY-MIB): At line 0 in (none)
Cannot find module (IP-FORWARD-MIB): At line 0 in (none)
Cannot find module (NET-SNMP-PASS-MIB): At line 0 in (none)
Cannot find module (NET-SNMP-EXTEND-MIB): At line 0 in (none)
Cannot find module (UCD-DLMOD-MIB): At line 0 in (none)
Cannot find module (SNMP-NOTIFICATION-MIB): At line 0 in (none)
Cannot find module (SNMPv2-TM): At line 0 in (none)
Cannot find module (NET-SNMP-VACM-MIB): At line 0 in (none)

If you have debug turned on at the sampler level this may be like so

 trace: snmp_sess_select_info2_flags(): snmp_api.c, 6015:
sess_select: for all sessions: 10 8 6
sess_select: next alarm at 942856.253221 sec
verbose:sess_select: timer due in 0.001318 sec
verbose:sess_select: setting timer to 0.001318 sec, clear block (was 1)
trace: run_alarms(): snmp_alarm.c, 217:
snmp_alarm: run alarm 2
trace: agentx_reopen_session(): mibgroup/agentx/subagent.c, 949:
agentx/subagent: agentx_reopen_session(2) called
trace: subagent_open_master_session(): mibgroup/agentx/subagent.c, 828:
agentx/subagent: opening session...
trace: netsnmp_tdomain_transport_full(): snmp_transport.c, 506:
tdomain: tdomain_transport_full("agentx", "[NIL]", 0, "[NIL]", "[NIL]")
trace: netsnmp_lookup_default_domains(): snmp_service.c, 206:
defaults: netsnmp_lookup_default_domain("agentx") -> "unix" "tcp"
trace: netsnmp_tdomain_transport_full(): snmp_transport.c, 600:
tdomain: Use application default domains "unix" "tcp"
trace: find_tdomain(): snmp_transport.c, 462:
tdomain: Found domain "unix" from specifier "unix"
trace: netsnmp_lookup_default_target(): snmp_service.c, 417:
defaults: netsnmp_lookup_default_target("agentx", "unix") -> "/var/agentx/master"
trace: netsnmp_tdomain_transport_full(): snmp_transport.c, 629:
tdomain: trying domain "unix" address "[NIL]" default address "/var/agentx/master"
trace: netsnmp_unix_transport(): transports/snmpUnixDomain.c, 319:
netsnmp_unix: open remote Local IPC: /var/agentx/master