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Ignore virtual ethernet devices that disappear #51581

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Merged
merged 1 commit into from
Jan 28, 2020
Merged

Ignore virtual ethernet devices that disappear #51581

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4 changes: 4 additions & 0 deletions server/src/main/java/org/elasticsearch/common/network/NetworkUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -172,6 +172,10 @@ private static boolean isUp(final NetworkInterface intf) throws IOException {
try {
return intf.isUp();
} catch (final SocketException e) {
// virtual ethernet devices come and go, we will treat such a device that disappeared as not being up
if (intf.getName().startsWith("veth") && e.getMessage().equals("No such device (getFlags() failed)")) {
return false;
}
throw new IOException("failed to check if interface [" + intf.getName() + "] is up", e);
}
}
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