sudo dpkg --configure -a
Setting up grub-efi-amd64 (2.02~beta3-4ubuntu7) ...
+ cached_available_ids=
+ case "$1" in
+ . /usr/share/debconf/confmodule
++ '[' '!' '' ']'
++ PERL_DL_NONLAZY=1
++ export PERL_DL_NONLAZY
++ '[' '' ']'
++ exec /usr/share/debconf/frontend /var/lib/dpkg/info/grub-efi-amd64.postinst configure 2.02~beta3-4ubuntu2.2
+ cached_available_ids=
+ case "$1" in
+ . /usr/share/debconf/confmodule
++ '[' '!' 1 ']'
++ '[' -z '' ']'
++ exec
++ '[' '' ']'
++ exec
++ DEBCONF_REDIR=1
++ export DEBCONF_REDIR
+ devicemap_regenerated=
+ egrep -q '^[[:space:]]*post(inst|rm)_hook[[:space:]]*=[[:space:]]*(/sbin/|/usr/sbin/)?update-grub' /etc/kernel-img.conf
+ case grub-efi-amd64 in
+ test -z ''
+ test -s /boot/grub/device.map
+ test -z ''
+ dpkg --compare-versions 2.02~beta3-4ubuntu2.2 lt-nl 1.99~20101210-2
++ mktemp -t grub.XXXXXXXXXX
+ tmp_default_grub=/tmp/grub.3eK5Na9VRU
+ trap 'rm -f /tmp/grub.3eK5Na9VRU' EXIT
+ cp -p /usr/share/grub/default/grub /tmp/grub.3eK5Na9VRU
+ merge_debconf_into_conf /tmp/grub.3eK5Na9VRU GRUB_CMDLINE_LINUX grub2/linux_cmdline
+ local tmpfile
+ tmpfile=/tmp/grub.3eK5Na9VRU
+ local setting
+ setting=GRUB_CMDLINE_LINUX
+ local template
+ template=grub2/linux_cmdline
+ db_get grub2/linux_cmdline
+ _db_cmd 'GET grub2/linux_cmdline'
+ _db_internal_IFS=' 	
'
+ IFS=' '
+ printf '%s\n' 'GET grub2/linux_cmdline'
+ IFS=' 	
'
+ IFS='
'
+ read -r _db_internal_line
+ RET=
+ case ${_db_internal_line%%[ 	]*} in
+ return 0
+ local value
++ echo ''
++ sed -e 's,[$`"\],\\&,g'
+ value=
+ grep -q '^GRUB_CMDLINE_LINUX=' /tmp/grub.3eK5Na9VRU
++ echo ''
++ sed -e 's,[\@],\\&,g'
+ value=
+ sed -i -re 's@^(GRUB_CMDLINE_LINUX=).*@\1""@' /tmp/grub.3eK5Na9VRU
+ merge_debconf_into_conf /tmp/grub.3eK5Na9VRU GRUB_CMDLINE_LINUX_DEFAULT grub2/linux_cmdline_default
+ local tmpfile
+ tmpfile=/tmp/grub.3eK5Na9VRU
+ local setting
+ setting=GRUB_CMDLINE_LINUX_DEFAULT
+ local template
+ template=grub2/linux_cmdline_default
+ db_get grub2/linux_cmdline_default
+ _db_cmd 'GET grub2/linux_cmdline_default'
+ _db_internal_IFS=' 	
'
+ IFS=' '
+ printf '%s\n' 'GET grub2/linux_cmdline_default'
+ IFS=' 	
'
+ IFS='
'
+ read -r _db_internal_line
+ RET='quiet splash'
+ case ${_db_internal_line%%[ 	]*} in
+ return 0
+ local value
++ echo 'quiet splash'
++ sed -e 's,[$`"\],\\&,g'
+ value='quiet splash'
+ grep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /tmp/grub.3eK5Na9VRU
++ echo 'quiet splash'
++ sed -e 's,[\@],\\&,g'
+ value='quiet splash'
+ sed -i -re 's@^(GRUB_CMDLINE_LINUX_DEFAULT=).*@\1"quiet splash"@' /tmp/grub.3eK5Na9VRU
+ case grub-efi-amd64 in
+ ucf --three-way --debconf-ok --sum-file=/usr/share/grub/default/grub.md5sum /tmp/grub.3eK5Na9VRU /etc/default/grub
++ ucfq --with-colons /etc/default/grub
++ cut -d : -f 2
+ package=grub-efi-amd64
+ echo grub-efi-amd64
+ grep -q '^grub-'
+ ucfr --force grub-efi-amd64 /etc/default/grub
+ case grub-efi-amd64 in
++ config_item GRUB_DISTRIBUTOR
++ tr A-Z a-z
++ for x in /etc/default/grub /etc/default/grub.d/*.cfg
++ '[' -e /etc/default/grub ']'
++ . /etc/default/grub
++ cut '-d ' -f1
+++ GRUB_DEFAULT=0
+++ GRUB_HIDDEN_TIMEOUT=0
+++ GRUB_HIDDEN_TIMEOUT_QUIET=true
+++ GRUB_TIMEOUT=10
++++ lsb_release -i -s
+++ GRUB_DISTRIBUTOR=Ubuntu
+++ GRUB_CMDLINE_LINUX_DEFAULT='quiet splash'
+++ GRUB_CMDLINE_LINUX=
++ for x in /etc/default/grub /etc/default/grub.d/*.cfg
++ '[' -e '/etc/default/grub.d/*.cfg' ']'
+++ eval echo '${GRUB_DISTRIBUTOR+set}'
++++ echo set
++ '[' set = set ']'
++ eval echo '$GRUB_DISTRIBUTOR'
+++ echo Ubuntu
+ bootloader_id=ubuntu
+ case $bootloader_id in
+ dpkg --compare-versions 2.02~beta3-4ubuntu2.2 lt-nl 2.02~beta3-4ubuntu3~
+ db_get grub2/force_efi_extra_removable
+ _db_cmd 'GET grub2/force_efi_extra_removable'
+ _db_internal_IFS=' 	
'
+ IFS=' '
+ printf '%s\n' 'GET grub2/force_efi_extra_removable'
+ IFS=' 	
'
+ IFS='
'
+ read -r _db_internal_line
+ RET='10 grub2/force_efi_extra_removable doesn'\''t exist'
+ case ${_db_internal_line%%[ 	]*} in
+ return 10
+ '[' '10 grub2/force_efi_extra_removable doesn'\''t exist' = false ']'
+ db_reset grub2/force_efi_extra_removable
+ _db_cmd 'RESET grub2/force_efi_extra_removable'
+ _db_internal_IFS=' 	
'
+ IFS=' '
+ printf '%s\n' 'RESET grub2/force_efi_extra_removable'
+ IFS=' 	
'
+ IFS='
'
+ read -r _db_internal_line
+ RET='10 grub2/force_efi_extra_removable doesn'\''t exist'
+ case ${_db_internal_line%%[ 	]*} in
+ return 10
+ '[' -e /boot/efi/EFI/ubuntu/fbx64.efi ']'
+ '[' ubuntu ']'
+ '[' -d /boot/efi/EFI/ubuntu ']'
+ case grub-efi-amd64 in
+ target=x86_64-efi
+ db_get grub2/no_efi_extra_removable
+ _db_cmd 'GET grub2/no_efi_extra_removable'
+ _db_internal_IFS=' 	
'
+ IFS=' '
+ printf '%s\n' 'GET grub2/no_efi_extra_removable'
+ IFS=' 	
'
+ IFS='
'
+ read -r _db_internal_line
+ RET=false
+ case ${_db_internal_line%%[ 	]*} in
+ return 0
+ '[' false = true ']'
++ no_nvram_arg
++ db_get grub2/update_nvram
++ _db_cmd 'GET grub2/update_nvram'
++ _db_internal_IFS=' 	
'
++ IFS=' '
++ printf '%s\n' 'GET grub2/update_nvram'
++ IFS=' 	
'
++ IFS='
'
++ read -r _db_internal_line
++ RET=true
++ case ${_db_internal_line%%[ 	]*} in
++ return 0
++ '[' true = false ']'
+ NO_NVRAM=
+ run_grub_install --target=x86_64-efi '' ''
+ grub-install --target=x86_64-efi
Installing for x86_64-efi platform.
Installation finished. No error reported.
+ for i in /usr/share/grub/unicode.pf2
+ test -e /usr/share/grub/unicode.pf2
+ mkdir -p /boot/grub
+ cp /usr/share/grub/unicode.pf2 /boot/grub/
+ type update-secureboot-policy
+ update-secureboot-policy
+ test -e /boot/grub/grub.cfg
+ running_in_container
+ type systemd-detect-virt
+ systemd-detect-virt --quiet --container
+ update-grub
Generating grub configuration file ...
Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no longer supported.
Found linux image: /boot/vmlinuz-4.13.0-16-generic
Found initrd image: /boot/initrd.img-4.13.0-16-generic
Found linux image: /boot/vmlinuz-4.10.0-37-generic
Found initrd image: /boot/initrd.img-4.10.0-37-generic
Found linux image: /boot/vmlinuz-4.10.0-35-generic
Found initrd image: /boot/initrd.img-4.10.0-35-generic
Adding boot menu entry for EFI firmware configuration
done
+ dpkg-maintscript-helper dir_to_symlink /usr/share/doc/grub-efi-amd64 grub-common 1.99-1~ -- configure 2.02~beta3-4ubuntu2.2
+ exit 0
+ rm -f /tmp/grub.3eK5Na9VRU
Setting up grub-efi-amd64-signed (1.85+2.02~beta3-4ubuntu7) ...
Installing for x86_64-efi platform.
Installation finished. No error reported.
Processing triggers for shim-signed (1.32+0.9+1474479173.6c180c6-1ubuntu1) ...
No DKMS packages installed: not changing Secure Boot validation state.