code: func (s *Server) DestroySessionV4(p *Packet) (interface{}, error) {
  	if s.removeSession(p.SessionID) {
  		return &ReplyDestroySessionV4{}, nil
  	}
  
  	return nil, &Status{Code: StatusStaleSession}
  }
docs: // DestroySessionV4 handls OpDestroySessionV4 requests