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  • Rob Riepel's avatar
    Import change from production version. · 24b33e7d
    Rob Riepel authored
    Original log message:
    
    > Author: Russ Allbery <rra@stanford.edu>
    > Date:   Mon Jul 18 13:16:32 2011 -0700
    >
    >     Change socket send errors into a warning in the poller
    >
    >     The poller would die if sending a packet to a remote host returned
    >     an error, but the kernel may return an error if the remote host is
    >     known to be down.  If we just ignore the error and then never get
    >     a reply from the remote host, we'll conclude that it was down, which
    >     is the correct behavior.  Turn this die into a warn so that the
    >     poller doesn't exit.
    >
    >     Change reported by Bill MacAllister.
    24b33e7d