Bug#986905: systemd armhf: Attaching egress BPF program to cgroup failed

[Ryutaroh Matsumoto]

Hi Michael, I failed to send my email to you:
> This reported symptom (986905) is also observed with Debian amd64&arm64,
> outside of a VM, with task-xfce-desktop installed and
> DefaultIPAccounting=yes in /etc/systemd/user.conf.

We do not need armhf to reproduce 986905.

> The systemd system instance (PID==1) also gives
> "Attaching egress BPF program to cgroup failed",
> and its reason is "Cannot allocate memory". (What is it???)

"Cannot allocate memory" was not observed with Debian
linux-image-armmp-lpae, but CONFIG_BPF_JIT_ALWAYS_ON=y
caused "Cannot allocate memory" on armhf.
CONFIG_BPF_JIT_ALWAYS_ON=n in Debian kernel.
"Cannot allocate memory" might be a bug in systemd upstream,
but Debian does not suffer from it. Sorry for my misinformation.

Best regards, Ryutaroh