[MESOS-7765] MasterTest.KillUnknownTask is failling due to a bug in `net::IPv4::ANY()`

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.4.0
• Labels: mesosphere

Environment

Linux

• Target Version/s: 1.4.0
• Epic Link: IPv6 Support
• Sprint: Mesosphere Sprint 58
• Story Points: 1
• Assignee: Avinash Sridharan
• Reporter: Avinash Sridharan
• Shepherd: Benjamin Hindman
• Created: 06/Jul/17 21:46
• Updated: 07/Jul/17 04:49
• Resolved: 07/Jul/17 04:48

Description

Seeing the following failure when running `MasterTest.KillUnknownTask`:
```
I0706 14:08:20.724071 25596 sched.cpp:1041] Scheduler::statusUpdate took 19411ns
[libprotobuf FATAL google/protobuf/message_lite.cc:294] CHECK failed: IsInitialized(): Can't serialize message of type "mesos.scheduler.Call" because it is missing required fields: acknowledge.slave_id.value
libprocess: scheduler-5cca230e-e4c9-466e-b2cd-bde7b7d7ed71@127.0.0.1:44650 terminating due to CHECK failed: IsInitialized(): Can't serialize message of type "mesos.scheduler.Call" because it is missing required fields: acknowledge.slave_id.valueI0706 14:08:20.724196 25570 sched.cpp:2021] Asked to stop the driver
```

Looks we introduced a bug when we create the `net::IPv4` class. The `ANY` method of this class returns `INADDR_LOOPBACK` instead of `INADDR_ANY`. This ends up causing weird issues in terms of connectivity. We need to fix `net::IPv4::ANY` to return `INADDR_ANY`.