BIND 9.3.5-P1 random UDP src ports: some DNS responses delivered to wrong process

[Irwin Tillman]

I've verified that in BIND 9.4.2-P2 on Solaris 10 the problem I
described has gone away.
I assume this is because of the change:

2396.   [bug]           Don't set SO_REUSEADDR for randomized ports.
                        [RT #18336]