Getting "BPF/cgroup firewalling" warning on booting Ubuntu20.04
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu |
New
|
Undecided
|
Unassigned |
Bug Description
On booting ubuntu20.04, I keep getting this Warning:
machine.slice: unit configures an IP firewall, but the local system does not support BPF/cgroup firewalling.
(This warning is only shown for the first unit using IP firewalling.)
How do I fix it?
> cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04 LTS"
VERSION_ID="20.04"
HOME_URL="https:/
SUPPORT_URL="https:/
BUG_REPORT_URL="https:/
PRIVACY_
VERSION_
UBUNTU_
from boot logs:
systemd 245.4-4ubuntu3 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-
Detected virtualization lxc-libvirt.
Detected architecture x86-64.
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