Merge "Floss: Log time spent in closing socket" into main

#include <chrono>  // NOLINT

#include <csignal>

#include <cstdint>

#include <mutex>  // NOLINT

#include <queue>

#include <utility>

      std::lock_guard<std::mutex> incoming_packet_callback_lock(incoming_packet_callback_mutex_);

      incoming_packet_callback_ = nullptr;

    }

    auto start = std::chrono::high_resolution_clock::now();

    ::close(sock_fd_);

    auto end = std::chrono::high_resolution_clock::now();

    int64_t duration = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();

    log::info("Spent {} milliseconds on closing socket", duration);

    sock_fd_ = INVALID_FD;

    log::info("HAL is closed");

  }