Github user haosdent commented on a diff in the pull request:
https://github.com/apache/mesos/pull/221#discussion_r122892058
--- Diff: src/slave/containerizer/mesos/isolators/network/cni/cni.cpp ---
@@ -1994,11 +1995,13 @@ int NetworkCniIsolatorSetup::execute()
return EXIT_FAILURE;
}
- if (os::spawn("ifconfig", {"ifconfig", "lo", "up"}) != 0) {
- cerr << "Failed to bring up the loopback interface in the new "
- << "network namespace of pid " << flags.pid.get()
- << ": " << os::strerror(errno) << endl;
- return EXIT_FAILURE;
+ int spawn = os::spawn("ifconfig", {"ifconfig", "lo", "up"});
+
+ if (spawn != 0) {
+ cerr << "Failed to bring up the loopback interface in the new "
+ << "network namespace of pid " << flags.pid.get()
+ << ": " << (spawn < 0 ? "failed to fork process" :
WSTRINGIFY(spawn)) << endl;
--- End diff --
Replace `failed` to `Failed`.
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