I don't use this package and know if it's a terrible problem or not; it seems that it might be for lvm users, possibly. sys-apps/systemd is 239-r2, path to udevadm is /bin/udevadm. # grep bin/udevadm LVM2.2.02.181/scripts/lvm2_activation_generator_systemd_red_hat.c "ExecStartPre=/usr/bin/udevadm settle\n", unit_names[UNIT_MAIN]); # grep usr/bin/udevadm /lib/systemd/system-generators/lvm2-activation-generator Binary file /lib/systemd/system-generators/lvm2-activation-generator matches