extraMounts: - device: proc fs: proc mountPoint: /proc - device: sys fs: sysfs mountPoint: /sys - device: /dev mountPoint: /dev options: bind - device: tmpfs fs: tmpfs mountPoint: /run - device: /run/udev mountPoint: /run/udev options: bind extraMountsEfi: - device: efivarfs fs: efivarfs mountPoint: /sys/firmware/efi/efivars