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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _nodedev_event_update_cb(conn, dev, opaque):
    '''
    Node device update events handler
    '''
    _salt_send_event(opaque, conn, {
        'nodedev': {
            'name': dev.name()
        },
        'event': opaque['event']
    })