My system now behaves as described above.
A only difference is that I have wired and wireless network.
When I enable both interfaces, cups takes 100 % CPU.
I think I can take some debug info if needed.
Thanks,
-- System Information:
Debian Release: buster/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf
Kernel: Linux 4.19.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.\
UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
Versions of packages cups-browsed depends on:
ii cups-daemon 2.2.10-4
ii libavahi-client3 0.7-4+b1
ii libavahi-common3 0.7-4+b1
ii libavahi-glib10.7-4+b1
ii libc6 2.28-8
ii libcups2 2.2.10-4
ii libcupsfilters1 1.21.6-4
ii libglib2.0-0 2.58.3-1
ii libldap-2.4-2 2.4.47+dfsg-3
ii lsb-base 10.2019031300
Versions of packages cups-browsed recommends:
ii avahi-daemon 0.7-4+b1
cups-browsed suggests no packages.
-- no debconf information
--
yashi