Both Lord Brahmā and Viṣṇu had already known that such events would occur in the sacrificial arena of Dakṣa, and knowing beforehand, they did not go to the sacrifice.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
उपलभ्य पुरैवैतद्भगवानब्जसम्भवः । नारायणश्च विश्वात्मा न कस्याध्वरमीयतुः
upalabhya puraivaitadbhagavānabjasambhavaḥ | nārāyaṇaśca viśvātmā na kasyādhvaramīyatuḥ
SB 4.6.3