$ sudo update-initramfs -u 
update-initramfs: Generating /boot/initrd.img-4.17.0-rc4+
FC_DEBUG=144
FcDirCacheReadUUID /usr/share/fonts/.uuid -> 716d7782-24b5-4538-ad6e-382b94490abb
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts
FcDirCacheWriteDir dir "/usr/share/fonts" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/716d7782-24b5-4538-ad6e-382b94490abb-le64.cache-7"
FcDirCacheReadUUID Unable to read /usr/X11R6/lib/X11/fonts/.uuid
FcDirCacheReadUUID /usr/local/share/fonts/.uuid -> a39d445d-79c0-49af-a3b0-f2a212e65734
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/local/share/fonts
FcDirCacheWriteDir dir "/usr/local/share/fonts" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/a39d445d-79c0-49af-a3b0-f2a212e65734-le64.cache-7"
FcDirCacheReadUUID /usr/share/fonts/truetype/.uuid -> f6c0d719-1562-4437-a65c-57ec7870e2bc
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype
FcDirCacheWriteDir dir "/usr/share/fonts/truetype" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/f6c0d719-1562-4437-a65c-57ec7870e2bc-le64.cache-7"
FcDirCacheReadUUID /usr/share/fonts/truetype/dejavu/.uuid -> 6660fdfe-f3f2-4e95-a8ae-074e4d07eb51
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu
	Scanning file /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu/DejaVuSans.ttf...done
	Scanning file /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf...done

charsets 2 -> 2 leaves 88 -> 75
FcDirCacheWriteDir dir "/usr/share/fonts/truetype/dejavu" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/6660fdfe-f3f2-4e95-a8ae-074e4d07eb51-le64.cache-7"
[/var/tmp/mkinitramfs_M3M5Ys]/usr/share/fonts: FcDirCacheCreateUUID /usr/share/fonts/.uuid: cef195d0-eb5f-44ab-b230-cdcbbd831a78
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts
FcDirCacheWriteDir dir "/usr/share/fonts" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/cef195d0-eb5f-44ab-b230-cdcbbd831a78-le64.cache-7"
caching, new cache contents: 0 fonts, 1 dirs
[/var/tmp/mkinitramfs_M3M5Ys]/usr/share/fonts/truetype: FcDirCacheCreateUUID /usr/share/fonts/truetype/.uuid: 640608db-4c8c-440d-80c3-00f32ff63b44
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype
FcDirCacheWriteDir dir "/usr/share/fonts/truetype" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/640608db-4c8c-440d-80c3-00f32ff63b44-le64.cache-7"
caching, new cache contents: 0 fonts, 1 dirs
[/var/tmp/mkinitramfs_M3M5Ys]/usr/share/fonts/truetype/dejavu: FcDirCacheCreateUUID /usr/share/fonts/truetype/dejavu/.uuid: f6247351-9e60-4dc6-a784-a886726eb9e8
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu
	Scanning file /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu/DejaVuSans.ttf...done
	Scanning file /var/tmp/mkinitramfs_M3M5Ys//usr/share/fonts/truetype/dejavu/DejaVuSerif.ttf...done

charsets 2 -> 2 leaves 88 -> 75
FcDirCacheWriteDir dir "/usr/share/fonts/truetype/dejavu" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/f6247351-9e60-4dc6-a784-a886726eb9e8-le64.cache-7"
caching, new cache contents: 2 fonts, 0 dirs
[/var/tmp/mkinitramfs_M3M5Ys]/usr/X11R6/lib/X11/fonts: skipping, no such directory
[/var/tmp/mkinitramfs_M3M5Ys]/usr/local/share/fonts: FcDirCacheCreateUUID /usr/local/share/fonts/.uuid: 1970c31d-d9b7-429e-862f-dd5dc338b1eb
	Scanning dir /var/tmp/mkinitramfs_M3M5Ys//usr/local/share/fonts
FcDirCacheWriteDir dir "/usr/local/share/fonts" file "/var/tmp/mkinitramfs_M3M5Ys/var/cache/fontconfig/1970c31d-d9b7-429e-862f-dd5dc338b1eb-le64.cache-7"
caching, new cache contents: 0 fonts, 0 dirs
[/var/tmp/mkinitramfs_M3M5Ys]/usr/share/fonts/truetype: skipping, looped directory detected
[/var/tmp/mkinitramfs_M3M5Ys]/usr/share/fonts/truetype/dejavu: skipping, looped directory detected
Created CACHEDIR.TAG at /var/tmp/mkinitramfs_M3M5Ys//var/cache/fontconfig
/var/tmp/mkinitramfs_M3M5Ys//var/cache/fontconfig: cleaning cache directory
fc-cache: succeeded