avahi-daemon[532]: SO_REUSEPORT failed: Protocol not available

scenario:

hit message error on os messages:

Mar 26 22:07:47 EL7 avahi-daemon[532]: SO_REUSEPORT failed: Protocol not available
Mar 26 22:07:47 EL7 avahi-daemon[532]: Failed to create server: No suitable network protocol available

1 2	Mar 26 22:07:47 EL7 avahi-daemon[532]: SO_REUSEPORT failed: Protocol not available Mar 26 22:07:47 EL7 avahi-daemon[532]: Failed to create server: No suitable network protocol available

service avahi failed to start.

My environment:
Oracle Linux 7 with UEK, 3.8.13-35.3.1.el7uek.x86_64

1 2	My environment: Oracle Linux 7 with UEK, 3.8.13-35.3.1.el7uek.x86_64

the problem is that SO_REUSEPORT is involved in linux kernel 3.9, while EK7 uses linux 3.10+. but oracle uek kernel not yet.

w/r:

$vi /etc/avahi/avahi-daemon.conf
disallow-other-stacks=yes

1 2	$vi /etc/avahi/avahi-daemon.conf disallow-other-stacks=yes

Reference:

Bug 484212 – net-dns/avahi-0.6.31-r2 with kernel <3.9 – avahi-daemon[3239]: SO_REUSEPORT failed: Protocol not available

Socket options SO_REUSEADDR and SO_REUSEPORT, how do they differ? Do they mean the same across all major operating systems?

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