The 32k content limit is very annoying which explains why I resorted to using gist github to share this with everybody:
Verbose UART output from first time booting Ubuntu server vf2.
First time logging into Ubuntu Server on Starfive Visionfive 2
I tweaked apt sources are recommended here: Daily Ubuntu Kernel Builds - Now With 100% More APT Repo! - #13 by omac777
And here is the respective Rolling Release Ubuntu Server Kernel UART output and first login