As I had too much network interfaces, I uninstalled the lxc package
which I didn't use anyway. Then I removed the recently created network
to have everything as simple as possible. As this didn't help at all I
configured the IPv4 address statically (in the guest). I must have
screwed something up the last time, because after I did this, I was able
to ping the guest vm from my host (yay). I'm now also able to ping the
host from the guest vm and everything else (even hosts like 8.8.8.8 -
even tracert in windows works).
BUT: only ping seems to work. I cannot resolve names inside my guest, no
matter which DNS server I configure. I also tried opening a webpage via
IP in my local net - this doesn't work either. I have no idea what could
cause everything but ICPM working...
$ iptables -L -nv
Chain INPUT (policy ACCEPT 315 packets, 63571 bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT udp -- virbr0 * 0.0.0.0/0 0.0.0.0/0
udp dpt:53
0 0 ACCEPT tcp -- virbr0 * 0.0.0.0/0 0.0.0.0/0
tcp dpt:53
0 0 ACCEPT udp -- virbr0 * 0.0.0.0/0 0.0.0.0/0
udp dpt:67
0 0 ACCEPT tcp -- virbr0 * 0.0.0.0/0 0.0.0.0/0
tcp dpt:67
Chain FORWARD (policy ACCEPT 39 packets, 2794 bytes)
pkts bytes target prot opt in out source destination
9 540 ACCEPT all -- * virbr0 0.0.0.0/0
192.168.122.0/24 ctstate RELATED,ESTABLISHED
160 10888 ACCEPT all -- virbr0 * 192.168.122.0/24 0.0.0.0/0
0 0 ACCEPT all -- virbr0 virbr0 0.0.0.0/0 0.0.0.0/0
0 0 REJECT all -- * virbr0 0.0.0.0/0 0.0.0.0/0
reject-with icmp-port-unreachable
0 0 REJECT all -- virbr0 * 0.0.0.0/0 0.0.0.0/0
reject-with icmp-port-unreachable
Chain OUTPUT (policy ACCEPT 427 packets, 58983 bytes)
pkts bytes target prot opt in out source destination
0 0 ACCEPT udp -- * virbr0 0.0.0.0/0 0.0.0.0/0
udp dpt:68
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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1797715
Title:
Libvirt kvm windows guest has no network after upgrade to 18.10
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1797715/+subscriptions
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