On Di, 17.12.24 21:03, Choi yenos (cpg0504@xxxxxxxxx) wrote: > HI all, It seems that the MACAddressPolicy is periodically changing or > being updated on my Ubuntu 22.04 cluster. > > When I create the 22.04 image, I set the file > /usr/lib/systemd/network/99-default.link to MACAddressPolicy=none and > generate the image. > > However, after a certain period of time (24 hours?), the value changes back > to MACAddressPolicy=persistent. Strangely, even though the value has > changed, the date still points to 2022. "The value"? you mean the file? That doesn't sound like a systemd issue, but like maybe some kind of configuration management tool's work? Are you running something like that? please contact your OS vendor for help. Lennart -- Lennart Poettering, Berlin