Today, after upgrading kde, sysvinit-core was replaced with systemd-sysv 208-8. Reboot gives the same error. Boot becomes normal after "auto" entries were committed out in /etc/network/interfaces (except lo). Not workable file is attached.
-- sergio.
# This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5). auto lo auto eth0 auto foo auto foo-vpn auto bar-vpn auto wlan-base iface lo inet loopback iface eth0 inet static address IP/24 gateway IP iface wlan-ap inet static address IP/24 iface wlan-base inet static address IP/24 iface foo inet static address IP/24 pre-up ip tuntap add dev ${IFACE} mode tap one_queue post-down ip link del ${IFACE} iface foo-vpn inet manual openvpn foo iface bar-vpn inet manual openvpn bar