#36 pvlist with invalid adders argument never completes

[Greg White]

Illustrated by example:

$ pvlist 134.79.151.21:134.79.151.21:59872
[server] connection timeout

This doesn't ever complete.

---

Environment:

$ printenv | grep EPICS_*
EPICS_CA_REPEATER_PORT=5069
EPICS_PVA_ADDR_LIST=lcls-prod01.slac.stanford.edu
EPICS_HOST_ARCH_HOSTDEF=darwin-x86
EPICS_PVJAVA_HOSTDEF=/usr/local/epics/base/EPICS-Java-4.4.0
LD_LIBRARY_PATH=/usr/local/epics/base/EPICS-CPP-4.4.0/pvAccessCPP/lib/darwin-x86:/usr/local/epics/base/EPICS-CPP-4.4.0/pvDataCPP/lib/darwin-x86:/usr/local/epics/base/3.14.12.2/lib/darwin-x86:
EPICS_BASE=/usr/local/epics/base/3.14.12.2
EPICS_PVA_AUTO_ADDR_LIST=FALSE
EPICS_CA_AUTO_ADDR_LIST=FALSE
PATH=/usr/local/epics/base/EPICS-CPP-4.4.0/pvAccessCPP/bin/darwin-x86:/usr/local/epics/base/EPICS-CPP-4.4.0/pvDataCPP/bin/darwin-x86:/usr/local/epics/base/3.14.12.2/bin/darwin-x86:/usr/local/aida/bin:/sw/bin:/sw/sbin:/Applications/Oracle/instantclient_11_2_b64:/opt/local/bin:/opt/local/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/opt/X11/bin:/usr/X11R6/bin:/Users/greg/bin:/Users/greg/bin/tools-osx-2011-06-02:/opt/X11/bin
EPICS_PVA_BROADCAST_PORT=5056
EPICS_HOST_ARCH=darwin-x86
EPICS_PVCPP=/usr/local/epics/base/EPICS-CPP-4.4.0
EPICS_PVCPP_HOSTDEF=/usr/local/epics/base/EPICS-CPP-4.4.0
EPICS_CA_ADDR_LIST=lcls-prod01.slac.stanford.edu
EPICS_BASE_HOSTDEF=/usr/local/epics/base/3.14.12.2
EPICS_CA_SERVER_PORT=5068