Shatapatha Brahmana 9.5.1.19

9.5.1.19

te dīkṣaṇīyāṃ niravapan | tadu hāsurā anububudhire yajñaṃ vai kṛtvā taddevāḥ satyaṃ tanvate preta tadāhariṣyāmo yadasmākaṃ tatreti tasya samiṣṭayajurahutamāsāthājagmustasmāttasya yajñasya samiṣṭayajurna juhvati te devā asurānpratidṛśya samullupya yajñamanyatkartuṃ dadhrire 'nyadvai kurvantīti punaḥ preyuḥ

They prepared the Initiation-offering. But the Asuras became aware of it, and said, 'Having made up the sacrifice, the gods are now spreading out that truth: come, let us fetch hither what was ours!' The Samishtayagus of that (offering) was not yet performed, when they arrived: whence people offer no Samishtayagus for that sacrifice. The gods, espying the Asuras, snatched up the sacrifice, and began doing something else. They (the Asuras) went away again, thinking, 'It is something else they are doing.'