[FIX] change transport.send() to not return a promise #312
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Another unhandled promise on a K8S environment during the connect/ping exchange an EPIPE was getting generated because of aggressive throttling on resource limits (100 millis of a CPU given to the process).
Verified the change with the help of @arjenvdhave who was kind enough to test and reproduce in his environment.
See #289 (comment)