L3+ didn't resume automatically

It seems like internet connection is working properly. However, I got the error as following logs

Dec 16 15:00:38 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:39 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:39 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:40 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:41 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:41 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:42 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:42 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:42 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:43 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:44 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 15:00:45 (none) local0.err cgminer[2912]: Which Nonce Cause Err![74]
Dec 16 15:00:46 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:46 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:46 (none) local0.err cgminer[2912]: Which Nonce Cause Err![73]
Dec 16 15:00:47 (none) local0.err cgminer[2912]: Which Nonce Cause Err![72]
Dec 16 17:05:50 (none) local0.warn cgminer[2912]: Waiting for work to be available from pools.
Dec 16 17:06:06 (none) local0.warn cgminer[2912]: Pool 0 stratum+tcp://ltc.poolbinance.com:3333 not responding!
Dec 16 17:06:06 (none) local0.notice cgminer[2912]: All pools are dead, restarting
Dec 16 17:06:06 (none) local0.err cgminer[2912]: All pools dead, quit
Dec 16 17:06:19 (none) local0.err cgminer: Miner compile time: Thu Feb 18 14:03:24 UTC 2021 type: Antminer L3+ Hiveon
Dec 16 17:06:19 (none) local0.warn cgminer: Started cgminer 4.9.0 rwglr
Dec 16 17:06:19 (none) local0.notice cgminer: Entering probe_pools_inst
Dec 16 17:06:59 (none) local0.warn cgminer: Failed to resolve url for pool 3
Dec 16 17:06:59 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:08:19 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:08:19 (none) local0.notice cgminer: Fee pools are not alive
Dec 16 17:09:09 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:09:59 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:10:49 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:11:39 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:12:29 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:13:19 (none) local0.notice cgminer: Pool 3 is not alive
Dec 16 17:13:19 (none) local0.notice cgminer: No inet after 3 minutes, restart
Dec 16 17:13:19 (none) local0.warn cgminer: Attempting to restart cgminer 4.9.0 rwglr