[snmp] Fix race between snmpd-config-updater and snmpd#1628

Merged

lguohan merged 1 commit intosonic-net:masterfrom

Staphylo:snmpd-sighup

Apr 21, 2018

Commits on Apr 20, 2018

Fix a race between snmpd-config-updater and snmpd
Staphylo
committed