linux-headers-5.15.0-1027-gke is removed from jammy last night

[Tai-Lin Chu]

hi,
I received alerts about linux-headers-5.15.0-1027-gke being removed last night.
What might be the reason for that? thanks!

Get:3 http://security.ubuntu.com/ubuntu jammy-security/restricted
amd64 Packages [1077 kB]
Get:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [119 kB]
Get:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [108 kB]
Get:6 http://archive.ubuntu.com/ubuntu jammy/main amd64 Packages [1792 kB]
Get:7 http://security.ubuntu.com/ubuntu jammy-security/main amd64
Packages [585 kB]
Get:8 http://security.ubuntu.com/ubuntu jammy-security/universe amd64
Packages [898 kB]
Get:9 http://security.ubuntu.com/ubuntu jammy-security/multiverse
amd64 Packages [41.2 kB]
Get:10 http://archive.ubuntu.com/ubuntu jammy/universe amd64 Packages [17.5 MB]
Get:11 http://archive.ubuntu.com/ubuntu jammy/multiverse amd64 Packages [266 kB]
Get:12 http://archive.ubuntu.com/ubuntu jammy/restricted amd64 Packages [164 kB]
Get:13 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64
Packages [46.6 kB]
Get:14 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64
Packages [992 kB]
Get:15 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64
Packages [1137 kB]
Get:16 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64
Packages [1143 kB]
Get:17 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64
Packages [25.6 kB]
Get:18 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64
Packages [49.4 kB]
Fetched 26.3 MB in 2s (10.6 MB/s)
Reading package lists...
+ apt-get install -y linux-headers-5.15.0-1027-gke
linux-modules-extra-5.15.0-1027-gke
Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package linux-headers-5.15.0-1027-gke
E: Couldn't find any package by glob 'linux-headers-5.15.0-1027-gke'
E: Couldn't find any package by regex 'linux-headers-5.15.0-1027-gke'