'get proposed info'

def get_proposed(self):

    if self.eth_trunk_id:
        self.proposed['eth_trunk_id'] = self.eth_trunk_id
    if self.dfs_group_id:
        self.proposed['dfs_group_id'] = self.dfs_group_id
    if self.mlag_id:
        self.proposed['mlag_id'] = self.mlag_id
    if self.mlag_system_id:
        self.proposed['mlag_system_id'] = self.mlag_system_id
    if self.mlag_priority_id:
        self.proposed['mlag_priority_id'] = self.mlag_priority_id
    if self.interface:
        self.proposed['interface'] = self.interface
    if self.mlag_error_down:
        self.proposed['mlag_error_down'] = self.mlag_error_down
    if self.state:
        self.proposed['state'] = self.state
