from socket import gethostbyaddr
evt.summary = "LTM Node Down"
ip = getattr(evt, 'bigipNotifyObjNode', 'Unknown')
port = getattr(evt, 'bigipNotifyObjPort', 'Unknown')
try:
  host = gethostbyaddr(ip)
  evt.component = '%s:%s' % (host[0],port)
except socket.herror:
  evt.component = '%s:%s' % (ip,port)
message = getattr(evt, 'bigipNotifyObjMsg')
evt.message = '%s' % (message)