I downloaded the current amd64 cloud image and dissected it with kpartx, i. e. without booting. /usr/share/zoneinfo/Zulu is correct there, i. e. 127 bytes. So indeed it sounds like this file gets overwritten by cloud-init.
I downloaded the current amd64 cloud image and dissected it with kpartx, i. e. without booting. /usr/share/ zoneinfo/ Zulu is correct there, i. e. 127 bytes. So indeed it sounds like this file gets overwritten by cloud-init.