package:lvm2:2.02.176-4.1ubuntu3 Setting up lvm2 (2.02.176-4.1ubuntu3) ... update-initramfs: deferring update (trigger activated) Failed to restart lvm2-lvmetad.service: Unit lvm2-lvmetad.socket is masked. invoke-rc.d: initscript lvm2-lvmetad, action "restart" failed. ● lvm2-lvmetad.service - LVM2 metadata daemon Loaded: loaded (/lib/systemd/system/lvm2-lvmetad.service; static; vendor preset: enabled) Active: inactive (dead) Docs: man:lvmetad(8) dpkg: error processing package lvm2 (--configure): installed lvm2 package post-installation script subprocess returned error exit status 1