有人知道 itdog 节点晚上在干什么吗

在老家的机器上部署了 itdog 的拨测节点，前几天看到还是比较正常的小流量
最近两天看到流量明显增多，查看komari记录和本机流量显示数据几乎都是晚上跑出来的
时间大概是晚上0点到早上8点，高峰在3点到8点之间
怎么感觉是节点稳定以后用来干其他的事情了

root@armbian:~# vnstat -h --begin "2026-09-23 00:00" --end "2026-09-24 08:00"

 eth0  /  hourly

         hour        rx      |     tx      |    total    |   avg. rate
     ------------------------+-------------+-------------+---------------
     2026-09-23
         00:00    219.00 MiB |   80.66 MiB |  299.66 MiB |  698.26 kbit/s
         01:00    205.36 MiB |   57.75 MiB |  263.11 MiB |  613.09 kbit/s
         02:00    494.44 MiB |   62.09 MiB |  556.53 MiB |    1.30 Mbit/s
         03:00      1.76 GiB |   74.35 MiB |    1.83 GiB |    4.37 Mbit/s
         04:00      3.82 GiB |  107.27 MiB |    3.93 GiB |    9.38 Mbit/s
         05:00      3.95 GiB |   97.72 MiB |    4.05 GiB |    9.66 Mbit/s
         06:00      1.81 GiB |   76.93 MiB |    1.89 GiB |    4.51 Mbit/s
         07:00      1.50 GiB |   91.96 MiB |    1.59 GiB |    3.79 Mbit/s
         08:00    131.07 MiB |   78.63 MiB |  209.70 MiB |  488.64 kbit/s
         09:00    157.49 MiB |   85.89 MiB |  243.39 MiB |  567.13 kbit/s
         10:00    346.62 MiB |   99.54 MiB |  446.16 MiB |    1.04 Mbit/s
         11:00    490.64 MiB |  103.06 MiB |  593.70 MiB |    1.38 Mbit/s
         12:00    591.58 MiB |  104.30 MiB |  695.88 MiB |    1.62 Mbit/s
         13:00    235.38 MiB |  102.66 MiB |  338.03 MiB |  787.67 kbit/s
         14:00    280.74 MiB |  109.99 MiB |  390.73 MiB |  910.46 kbit/s
         15:00    383.04 MiB |  101.89 MiB |  484.94 MiB |    1.13 Mbit/s
         16:00    441.46 MiB |  114.74 MiB |  556.20 MiB |    1.30 Mbit/s
         17:00    462.93 MiB |  113.70 MiB |  576.63 MiB |    1.34 Mbit/s
         18:00    144.60 MiB |   98.76 MiB |  243.36 MiB |  567.06 kbit/s
         19:00    156.39 MiB |   93.95 MiB |  250.34 MiB |  583.33 kbit/s
         20:00    152.68 MiB |  101.49 MiB |  254.18 MiB |  592.27 kbit/s
         21:00    139.46 MiB |   97.05 MiB |  236.51 MiB |  551.10 kbit/s
         22:00    139.57 MiB |   99.08 MiB |  238.64 MiB |  556.08 kbit/s
         23:00    157.17 MiB |   99.47 MiB |  256.64 MiB |  598.00 kbit/s
     2026-09-24
         00:00    184.95 MiB |   88.41 MiB |  273.36 MiB |  636.97 kbit/s
         01:00    238.43 MiB |   54.96 MiB |  293.39 MiB |  683.65 kbit/s
         02:00    415.78 MiB |   61.02 MiB |  476.80 MiB |    1.11 Mbit/s
         03:00      1.37 GiB |   66.06 MiB |    1.43 GiB |    3.41 Mbit/s
         04:00      3.45 GiB |  111.01 MiB |    3.56 GiB |    8.49 Mbit/s
         05:00      3.81 GiB |  109.30 MiB |    3.92 GiB |    9.35 Mbit/s
         06:00      1.29 GiB |   74.86 MiB |    1.36 GiB |    3.25 Mbit/s
         07:00    766.85 MiB |   90.82 MiB |  857.66 MiB |    2.00 Mbit/s
         08:00    331.25 MiB |   93.32 MiB |  424.57 MiB |  989.32 kbit/s
     ------------------------+-------------+-------------+---------------
     sum of 33     29.86 GiB |    2.93 GiB |   32.79 GiB |
root@armbian:~# vnstat -d

 eth0  /  daily

          day        rx      |     tx      |    total    |   avg. rate
     ------------------------+-------------+-------------+---------------
     2026-09-02     4.12 KiB |    4.90 KiB |    9.02 KiB |        0 bit/s
     2026-09-11   743.53 MiB |   22.13 MiB |  765.66 MiB |   74.34 kbit/s
     2026-09-12   553.80 MiB |  534.17 MiB |    1.06 GiB |  105.63 kbit/s
     2026-09-13     1.54 GiB |    1.44 GiB |    2.98 GiB |  296.57 kbit/s
     2026-09-14     2.76 GiB |    1.62 GiB |    4.38 GiB |  435.30 kbit/s
     2026-09-15     2.33 GiB |    1.68 GiB |    4.01 GiB |  399.08 kbit/s
     2026-09-16     2.12 GiB |    1.46 GiB |    3.57 GiB |  355.13 kbit/s
     2026-09-17     2.20 GiB |    1.52 GiB |    3.72 GiB |  370.18 kbit/s
     2026-09-18     1.99 GiB |    1.42 GiB |    3.41 GiB |  339.01 kbit/s
     2026-09-19     4.27 GiB |    1.56 GiB |    5.83 GiB |  579.49 kbit/s
     2026-09-20    12.32 GiB |    1.84 GiB |   14.16 GiB |    1.41 Mbit/s
     2026-09-21    13.35 GiB |    1.94 GiB |   15.30 GiB |    1.52 Mbit/s
     2026-09-22    13.81 GiB |    2.12 GiB |   15.92 GiB |    1.58 Mbit/s
     2026-09-23    18.05 GiB |    2.20 GiB |   20.25 GiB |    2.01 Mbit/s
     2026-09-24    12.45 GiB |    1.01 GiB |   13.45 GiB |    2.71 Mbit/s
     ------------------------+-------------+-------------+---------------
      estimated    25.24 GiB |    2.04 GiB |   27.29 GiB |