add support 4g -- >ppp

hc

2023-11-24 2b26ab132d1b33b91c84c6d732456200e8c5ee77

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# locally computed
sha256  9743539ed787ea9bd5bb348265cebdd5adcbf820ad329bf44c28bc69ab4c7cd8  xxhash-r40.tar.gz