The following event messages only apply to Tru64 UNIX:
 o  address changed
    Generated each time the node address changes.
    Arguments:
    old address    Protocol tower set that constituted the old node
                   address.
    new address    Protocol tower set that constitutes the new node
                   address.
 o  id changed
    Generated each time the node's ID status attribute changes value.
    Arguments:
    old id         Node's old 48-bit ID.
    new id         Node's new 48-bit ID.
 o  idrom check failure
    Generated each time that an IDROM was checked and failed the
    test.
    Arguments:
    contents       Value of the failed IDROM.
    owner          Name of the device on which the failed IDROM
                   address exists.
 o  renamed
    Generated each time the node's name changes.
    Arguments:
    old name       Old full name of the node.
    new name       New full name of the node.