Solved for me by changing a wrong file /etc/network/interfaces from auto lo iface lo inet loopback post-up iptables-restore < /etc/iptables.up.rules
to:
# This file describes the network interfaces available on your system # and how to activate them. For more information, see interfaces(5).
# The loopback network interface auto lo iface lo inet loopback
# The primary network interface auto eth0 #iface eth0 inet dhcp
Btw. the file /etc/iptables.up.rules does not exist! All with the same problem should replace /etc/network/interfaces, and confirm, if this solfes it.
Solved for me by changing a wrong file /etc/network/ interfaces from up.rules
auto lo
iface lo inet loopback
post-up iptables-restore < /etc/iptables.
to:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
#iface eth0 inet dhcp
Btw. the file /etc/iptables. up.rules does not exist! interfaces, and confirm, if this solfes it.
All with the same problem should replace /etc/network/