# Mask net-misc/chrony from portage-stable
net-misc/chrony::portage-stable
# Mask audit from portage-stable
sys-process/audit::portage-stable
sys-apps/shadow::portage-stable
# Mask audit from chromiumos-overlay
sys-process/audit::chromiumos
# Mask sys-auth/pambase from portage-stable
sys-auth/pambase::portage-stable