This change uses a common DHCPAgentContext and takes care to check for a
pre-existing setting in the dhcp_agent.ini. Only allowing a config
change if there is no pre-existing setting.
Remove deprecated neutron-lbaasv2-agent from NRPE checks
This patch removes the deprecated neutron-lbaasv2-agent service from
NRPE checks after an OpenStack upgrade to an OpenStack version greater
than Stein.
ovsdb-timeout sets ovsdb_timeout in openvswitch_agent.ini, this option
is used to determine when ovsdb commands should be marked as fail. This
is helpful for large clouds or where the node is under pressure.