root@vps:~# apt-get upgrade --force-yes 
Reading package lists... Done 
Building dependency tree Reading state information... Done
Calculating upgrade... The following packages were automatically installed and are no longer required:
libargon2-0 libssll.0.2 sgml-base xml-core Use 'apt-get autoremove' to remove them.
Done
The following packages will be upgraded:
apt apt-transport-https apt-utils 
clamav clamav-base clamav-daemon clamav-docs clamav-freshclam clamav-testfiles clamdscan 
libapt-instl.5 libapt-pkg4.12 libclamav9 libpcre3 libsqlite3-0 
php7.0-cgi php7.0-cli php7.0-common php7.0-fpm php7.0-json php7.O-mbstring php7.0-mcrypt php7.0-mysql php7.0-opcache 
php7.O-readline php7.1-cgi php7.1-cli php7.1-common 
php7.1-fpm php7.1-json 
php7.1-mbstring php7.1-mcrypt php7.1-mysql php7.1-opcache php7.1-readline php7.2-cli php7.2-common php7.2-json 
php7.2-opcache php7.2-readline php7.2-xml php7.4-cli php7.4-common php7.4-json php7.4-opcache php7.4-readline php7.4-xml
47 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 23.2 MB of archives.
After this operation, 8,192 B of additional disk space will be used.
Do you want to continue? [Y/n] Y
WARNING: The following packages cannot be authenticated!
Iibapt-pkg4.12 apt libapt-instl.5 libsqlite3-0 libpcre3 apt-utils 
apt-transport-https clamdscan libclamav9 clamav-daemon clamav-base 
clamav-freshclam clamav clamav-docs clamav-testfiles 
php7.0-json php7.0-opcache php7.0-fpm php7.0-mcrypt php7.O-mbstring 
php7.O-readline php7.0-mysql php7.0-cli php7.0-cgi php7.0-common 
php7.1-opcache php7.1-json php7.1-mcrypt php7.1-fpm php7.1-mbstring php7.1-mysql php7.1-readline php7.1-cli 
php7.1-cgi php7.1-common php7.2-opcache php7.2-json php7.2-readline php7.2-xml php7.2-cli php7.2-common php7.4-json php7.4-xml php7.4-readline php7.4-opcache php7.4-cli php7.4-common
 Install these packages without verification? [y/N] Y 
0% [Connecting to security.debian.org (151.101.64.204)]