Comment 3 for bug 704372

Avahi uses netlink to determine the list of interfaces and the list of addresses in the system. When doing so we perform a NLM_F_ROOT search. Previously this would (incorrectly) return all matches due to a bug in the kernel decoding of the NLM_F_* flags. Following the commit below this is now corrected leading the avahi daemon to hang on start:

    commit 0ab03c2b1478f2438d2c80204f7fef65b1bca9cf
    Author: Jan Engelhardt <jengelh@…>
    Date: Fri Jan 7 03:15:05 2011 +0000

        netlink: test for all flags of the NLM_F_DUMP composite