Building an image myself, there are quite some errors shown. One excerpt:
$ git log --no-decorate --oneline -1
fdb2eef4 Merge pull request #216 from taraschornyiplv/debian10
$ make docker
[…]
Setting up sudo (1.8.27-1+deb10u5) ...
invoke-rc.d: could not determine current runlevel
Setting up pciutils (1:3.5.2-1) ...
Setting up openbsd-inetd (0.20160825-4) ...
invoke-rc.d: could not determine current runlevel
Created symlink /etc/systemd/system/multi-user.target.wants/inetd.service -> /lib/systemd/system/inetd.service.
Setting up passwd (1:4.5-1.1) ...
Shadow passwords are now on.
Setting up python (2.7.16-1) ...
Setting up libpam-runtime (1.3.1-5) ...
Setting up python-pypcap (1.2.2-1) ...
Setting up libpython3-stdlib:amd64 (3.7.3-1) ...
Setting up login (1:4.5-1.1) ...
Setting up libtirpc3:amd64 (1.1.4-0.4+deb10u1) ...
Setting up python3.7 (3.7.3-2+deb10u5) ...
Setting up adduser (3.118) ...
Setting up apt (1.8.2.3) ...
Created symlink /etc/systemd/system/timers.target.wants/apt-daily-upgrade.timer -> /lib/systemd/system/apt-daily-upgrade.timer.
Created symlink /etc/systemd/system/timers.target.wants/apt-daily.timer -> /lib/systemd/system/apt-daily.timer.
Setting up apt-utils (1.8.2.3) ...
Setting up python-argcomplete (1.8.1-1) ...
Setting up openssh-client (1:7.9p1-10+deb10u3) ...
Setting up rpcbind (1.2.5-0.3+deb10u1) ...
invoke-rc.d: could not determine current runlevel
Created symlink /etc/systemd/system/multi-user.target.wants/rpcbind.service -> /lib/systemd/system/rpcbind.service.
Created symlink /etc/systemd/system/sockets.target.wants/rpcbind.socket -> /lib/systemd/system/rpcbind.socket.
Setting up python3 (3.7.3-1) ...
Setting up python3-petunia (1.0-1) ...
Setting up acpid (1:2.0.31-1) ...
invoke-rc.d: could not determine current runlevel
Setting up snmpd (5.7.3+dfsg-5+deb10u4) ...
adduser: Warning: The home directory `/var/lib/snmp' does not belong to the user you are currently creating.
invoke-rc.d: could not determine current runlevel
Created symlink /etc/systemd/system/multi-user.target.wants/snmpd.service -> /lib/systemd/system/snmpd.service.
Setting up python-scapy (2.4.0-2) ...
Setting up nfs-common (1:1.3.4-2.5+deb10u1) ...
Creating config file /etc/idmapd.conf with new version
Adding system user `statd' (UID 103) ...
Adding new user `statd' (UID 103) with group `nogroup' ...
Not creating home directory `/var/lib/nfs'.
Created symlink /etc/systemd/system/multi-user.target.wants/nfs-client.target -> /lib/systemd/system/nfs-client.target.
Created symlink /etc/systemd/system/remote-fs.target.wants/nfs-client.target -> /lib/systemd/system/nfs-client.target.
invoke-rc.d: could not determine current runlevel
Setting up python-six (1.12.0-1) ...
Setting up ntp (1:4.2.8p12+dfsg-4) ...
Created symlink /etc/systemd/system/multi-user.target.wants/ntp.service -> /lib/systemd/system/ntp.service.
invoke-rc.d: could not determine current runlevel
Setting up dbus (1.12.24-0+deb10u1) ...
Failed to generate UUID: Could not open /dev/urandom: No such file or directory
dpkg: error processing package dbus (--configure):
installed dbus package post-installation script subprocess returned error exit status 1
Setting up util-linux (2.33.1-0.1) ...
Setting up python-libxml2 (2.9.4+dfsg1-7+deb10u6) ...
Setting up python-tz (2019.1-1) ...
Setting up mount (2.33.1-0.1) ...
Setting up python-dmidecode (3.12.2-9) ...
Setting up python-ipaddr (2.2.0-2) ...
Setting up python-pyinotify (0.9.6-1) ...
Setting up sysvinit-utils (2.93-8) ...
Setting up python-parted (3.11.2-10) ...
Setting up python-yaml (3.13-2) ...
Setting up telnetd (0.17-41.2) ...
Adding user telnetd to group utmp
grep: /proc/mounts: No such file or directory
invoke-rc.d: could not determine current runlevel
Setting up lsb-release (10.2019051400) ...
Setting up python-netaddr (0.7.19-1) ...
Setting up python3-lib2to3 (3.7.3-1) ...
Setting up dentos-poe-agent (0.4.0-alpha) ...
Created symlink /etc/systemd/system/multi-user.target.wants/poed.service -> /lib/systemd/system/poed.service.
System has not been booted with systemd as init system (PID 1). Can't operate.
Failed to connect to bus: Host is down
dpkg: error processing package dentos-poe-agent (--configure):
installed dentos-poe-agent package post-installation script subprocess returned error exit status 1
Setting up python3-pkg-resources (40.8.0-1) ...
Setting up python3-distutils (3.7.3-1) ...
Setting up openssh-sftp-server (1:7.9p1-10+deb10u3) ...
Setting up python-cherrypy3 (8.9.1-2) ...
Setting up python3-setuptools (40.8.0-1) ...
Setting up openssh-server (1:7.9p1-10+deb10u3) ...
[…]
Building an image myself, there are quite some errors shown. One excerpt: