BIND 10 #1569: IFaceMgrTest fails on some systems

[BIND 10 Development]

#1569: IFaceMgrTest fails on some systems
-------------------------------------+-------------------------------------
            Reporter:  jelte         |                        Owner:
                Type:  defect        |                       Status:  new
            Priority:  major         |                    Milestone:  New
           Component:  Unclassified  |  Tasks
           Sensitive:  0             |                     Keywords:
         Sub-Project:  DNS           |              Defect Severity:  N/A
Estimated Difficulty:  0             |  Feature Depending on Ticket:
         Total Hours:  0             |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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 It may be the ifconfig output format, or perhaps that some systems have a
 few non-default virtual interfaces). It certainly fails on my Ubuntu
 system, and apparently on vorner's gentoo as well.

 {{{
 [ RUN      ] IfaceMgrTest.getIface
 Interface checks. Please ignore socket binding errors.
 IfaceMgr initialization.
 Linux: detecting interfaces.
 Detected interface lo/1, hwtype=772, maclen=6, mac=00:00:00:00:00:00,
 flags=10049(LOOPBACK UP RUNNING )
   2 addr(s):  127.0.0.1  ::1
 Detected interface eth0/2, hwtype=1, maclen=6, mac=20:cf:30:db:d9:19,
 flags=11043(UP RUNNING MULTICAST BROADCAST )
   3 addr(s):  192.168.8.30  2001:470:1f15:17ba:22cf:30ff:fedb:d919
 fe80::22cf:30ff:fedb:d919
 Detected interface virbr0/3, hwtype=1, maclen=6, mac=fe:54:00:49:3c:6f,
 flags=11043(UP RUNNING MULTICAST BROADCAST )
   1 addr(s):  192.168.122.1
 Detected interface vnet0/5, hwtype=1, maclen=6, mac=fe:54:00:49:3c:6f,
 flags=11043(UP RUNNING MULTICAST BROADCAST )
   1 addr(s):  fe80::fc54:ff:fe49:3c6f
 There are 8 interfaces.
   lo/1
   eth0/2
   virbr0/3
   vnet0/5
   lo1/1
   eth5/2
   en3/5
   e1000g0/3
 iface_mgr_unittest.cc:207: Failure
 Value of: tmp->getName()
   Actual: "vnet0"
 Expected: "en3"
 [  FAILED  ] IfaceMgrTest.getIface (1 ms)
 }}}

 If this isn't fixed for the release, I propose we simply disable it in the
 release branch.

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Ticket URL: <http://bind10.isc.org/ticket/1569>
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