Turn off UDP packet checksums on the metadata interface
There appears to be a bug that UDP packet checksums aren't computed on the way from a host to a guest, which means the recipient just drops them. See https://bugs.launchpad.net/bugs/930962 By turning them off completely using ethtool, we work around the problem. Signed-off-by:Petr Pudlak <pudlak@google.com> Reviewed-by:
Klaus Aehlig <aehlig@google.com>
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