Why is my self base full node log always put age=12h3m44s ?

[orange723]

I download new snap and also update data dir，use myself eth node
Run docker-compose up -d

INFO [07-13|02:26:01.160] Starting work on payload id=0x03dc35651a73182d
INFO [07-13|02:26:01.164] Imported new potential chain segment number=17,002,395 hash=313038..7c74d2 blocks=1 txs=1 mgas=0.044 elapsed=1.882ms mgasps=23.296 age=12h3m44s snapdiffs=3.47MiB triedirty=894.02MiB
INFO [07-13|02:26:01.165] Chain head was updated number=17,002,395 hash=313038..7c74d2 root=c74a20..6f9bc1 elapsed="670.224µs" age=12h3m44s
INFO [07-13|02:26:01.169] Starting work on payload id=0x03ffdceae671ccc2
INFO [07-13|02:26:01.173] Imported new potential chain segment number=17,002,396 hash=5b1768..e9d65c blocks=1 txs=1 mgas=0.044 elapsed=2.086ms mgasps=21.012 age=12h3m42s snapdiffs=3.47MiB triedirty=894.02MiB
INFO [07-13|02:26:01.174] Chain head was updated number=17,002,396 hash=5b1768..e9d65c root=8643f4..cd2e7a elapsed="711.779µs" age=12h3m42s
INFO [07-13|02:26:01.178] Starting work on payload id=0x03b326b74171f445
INFO [07-13|02:26:01.183] Imported new potential chain segment number=17,002,397 hash=3df3c0..623fc3 blocks=1 txs=1 mgas=0.044 elapsed=3.083ms mgasps=14.222 age=12h3m40s snapdiffs=3.47MiB triedirty=894.02MiB
INFO [07-13|02:26:01.185] Chain head was updated number=17,002,397 hash=3df3c0..623fc3 root=37fc42..7c1766 elapsed=1.001975ms age=12h3m40s
INFO [07-13|02:26:05.296] Looking for peers peercount=1 tried=155 static=0