message: Right-align logging timestamp ns
diff: @@ -52,7 +52,7 @@ namespace logger
  std::string get_timestamp(const std::tm& tm, const ::timespec& ts)
  {
  // Sample: "2019-07-19 18:53:25.690267"
  - return fmt::format("{:%Y-%m-%dT%H:%M:%S}.{:0<6}Z", tm, ts.tv_nsec / 1000);
  + return fmt::format("{:%Y-%m-%dT%H:%M:%S}.{:0>6}Z", tm, ts.tv_nsec / 1000);
  }
  virtual std::string format(
  