Merge branch '4.20' of https://github.com/apache/cloudstack into rename-ambiguous-globalsetting

Author: Pearl1594

.python-version

@@ -1 +1 @@
-3.6
+3.10

agent/conf/agent.properties

@@ -286,6 +286,7 @@ hypervisor.type=kvm
 
 # The model of Watchdog timer to present to the Guest.
 # For all models refer to the libvirt documentation.
+# PLEASE NOTE: to disable the watchdogs definitions, use value: none
 #vm.watchdog.model=i6300esb
 
 # Action to take when the Guest/Instance is no longer notifying the Watchdog timer.
@@ -433,3 +434,10 @@ iscsi.session.cleanup.enabled=false
 
 # Implicit host tags managed by agent.properties
 # host.tags=
+
+# Timeout(in seconds) for SSL handshake when agent connects to server. When no value is set then default value of 30s
+# will be used
+#ssl.handshake.timeout=
+
+# Wait(in seconds) during agent reconnections. When no value is set then default value of 5s will be used
+#backoff.seconds=