I tested systemd 248.3-1ubuntu8.4 from impish-proposed to verify the fix:
$ systemctl --version systemd 248 (248.3-1ubuntu8.4) +PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS -OPENSSL +ACL +BLKID +CURL +ELFUTILS -FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP -LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified
$ sysctl kernel.sysrq kernel.sysrq = 176
$ sysctl net.ipv4.conf.all.rp_filter net.ipv4.conf.all.rp_filter = 2
I am also currently investigating the autopkgtest regressions.
I tested systemd 248.3-1ubuntu8.4 from impish-proposed to verify the fix:
$ systemctl --version hierarchy= unified
systemd 248 (248.3-1ubuntu8.4)
+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS -OPENSSL +ACL +BLKID +CURL +ELFUTILS -FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP -LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -XKBCOMMON +UTMP +SYSVINIT default-
$ sysctl kernel.sysrq
kernel.sysrq = 176
$ sysctl net.ipv4. conf.all. rp_filter conf.all. rp_filter = 2
net.ipv4.
I am also currently investigating the autopkgtest regressions.