I missed to system information. Here is it: # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.4 LTS Release: 18.04 Codename: bionic
# dpkg -l "avahi*" Desired=Unknown/Install/Remove/Purge/Hold | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) ||/ Name Version Architecture Description +++-========================================-=========================-=========================-===================================================================================== ii avahi-autoipd 0.7-3.1ubuntu1.2 amd64 Avahi IPv4LL network address configuration daemon ii avahi-daemon 0.7-3.1ubuntu1.2 amd64 Avahi mDNS/DNS-SD daemon ii avahi-utils 0.7-3.1ubuntu1.2 amd64 Avahi browsing, publishing and discovery utilities -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to avahi in Ubuntu. https://bugs.launchpad.net/bugs/1886809 Title: Pulse connect VPN exists because unwanted avahi network starts Status in avahi package in Ubuntu: New Bug description: Pulse VPNs exists very often because avahi enforces network 192.250.0.0/0 over tun0 interface. The message error is: rmon.error Unauthorized new route to 169.254.0.0/0.0.0.0 has been added (conflicts with our route to 0.0.0.0), disconnecting (routemon.cpp:598) No matter the options to skip avahi on /etc/default/avahi-daemon, it always calls /etc/network/if-up.d/avahi-autoipd and raises this discovery network. A fix can be done patching /etc/network/if-up.d/avahi-autoipd to skip any tunnel interface. --- /etc/network/if-up.d/avahi-autoipd.dpkg-old 2020-07-08 13:25:41.834569800 +0200 +++ /etc/network/if-up.d/avahi-autoipd 2020-07-07 10:07:37.611118581 +0200 @@ -11,6 +11,10 @@ [ -x /usr/sbin/avahi-autoipd ] || exit 0 +case "$IFACE" in + tun*) exit 0 ;; +esac + [ "$IFACE" != "lo" ] || exit 0 case "$ADDRFAM" in inet) ;; To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1886809/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp