Someone upgraded the lunar
type persistent workers to Ubuntu Mantic. This broke CI https://cirrus-ci.com/task/4900424734474240?logs=ci#L322 :
0Get:17 http://archive.ubuntu.com/ubuntu lunar-backports/universe amd64 Packages [4208 B]
1Fetched 25.1 MB in 3s (9362 kB/s)
2Reading package lists...
3+ retry -- bash -c 'apt-get install --no-install-recommends --no-upgrade -y systemtap-sdt-dev clang-16 llvm-16 libclang-rt-16-dev python3-zmq qtbase5-dev qttools5-dev-tools libevent-dev libboost-dev libdb5.3++-dev libminiupnpc-dev libnatpmp-dev libzmq3-dev libqrencode-dev libsqlite3-dev bpfcc-tools linux-headers-6.3.0-7-generic build-essential libtool autotools-dev automake pkg-config bsdmainutils curl ca-certificates ccache python3 rsync git procps bison'
4Reading package lists...
5Building dependency tree...
6Reading state information...
7E: Unable to locate package linux-headers-6.3.0-7-generic
8E: Couldn't find any package by glob 'linux-headers-6.3.0-7-generic'
9E: Couldn't find any package by regex 'linux-headers-6.3.0-7-generic'
10Before retry [#1](/bitcoin-bitcoin/1/): sleeping 0.3 seconds
Fix it by also upgrading the CI config.