2026-02-19T15:38:11Z: syncthing v2.0.14 "Hafnium Hornet" (go1.25.6 linux-arm64) docker@github.syncthing.net 2026-02-02 04:32:24 UTC [noupgrade] (log.pkg=main)
2026-02-19T15:38:11Z: Generating key and certificate (cn=syncthing log.pkg=syncthing)
2026-02-19T15:38:11Z: Default config saved; edit to taste (with Syncthing stopped) or use the GUI (path=/var/syncthing/config/config.xml log.pkg=syncthing)
2026-02-19T15:38:11Z: Archiving a copy of old config file format (path=/var/syncthing/config/config.xml.v0 log.pkg=syncthing)
2026-02-19T15:38:11Z: Calculated our device ID (device=5HC7RNZ-UKMKBFU-4R6PWWD-KORALQU-UFSPRNI-KEYF373-QV3CROR-K4WZZQP log.pkg=syncthing)
2026-02-19T15:38:11Z: Overall rate limit in use (send="is unlimited" recv="is unlimited" log.pkg=connections)
2026-02-19T15:38:11Z: Creating new HTTPS certificate (log.pkg=api)
2026-02-19T15:38:11Z: Using discovery mechanism (identity="global discovery server https://discovery-lookup.syncthing.net/v2/?noannounce" log.pkg=discover)
2026-02-19T15:38:11Z: Using discovery mechanism (identity="global discovery server https://discovery-announce-v4.syncthing.net/v2/?nolookup" log.pkg=discover)
2026-02-19T15:38:11Z: Using discovery mechanism (identity="global discovery server https://discovery-announce-v6.syncthing.net/v2/?nolookup" log.pkg=discover)
2026-02-19T15:38:11Z: Using discovery mechanism (identity="IPv4 local broadcast discovery on port 21027" log.pkg=discover)
2026-02-19T15:38:11Z: TCP listener starting (address="[::]:22000" log.pkg=connections)
2026-02-19T15:38:11Z: Relay listener starting (id=dynamic+https://relays.syncthing.net/endpoint log.pkg=connections)
2026-02-19T15:38:11Z: failed to sufficiently increase receive buffer size (was: 208 kiB, wanted: 7168 kiB, got: 416 kiB). See https://github.com/quic-go/quic-go/wiki/UDP-Buffer-Sizes for details.
2026-02-19T15:38:11Z: Using discovery mechanism (identity="IPv6 local multicast discovery on address [ff12::8384]:21027" log.pkg=discover)
2026-02-19T15:38:11Z: QUIC listener starting (address="[::]:22000" log.pkg=connections)
2026-02-19T15:38:11Z: GUI and API listening (address="[::]:8384" log.pkg=api)
2026-02-19T15:38:11Z: Access the GUI via the following URL: http://127.0.0.1:8384/ (log.pkg=api)
2026-02-19T15:38:11Z: Loaded configuration (name=8b812559d77f log.pkg=syncthing)
2026-02-19T15:38:11Z: Measured hashing performance (perf="1340.00 MB/s" log.pkg=syncthing)
2026-02-19T15:38:20Z: Joined relay (uri=relay://185.162.131.17:22067 log.pkg=relay/client)
2026-02-19T15:38:35Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:55510->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T15:38:40Z: Detected NAT type (uri=quic://0.0.0.0:22000 type="Port restricted NAT" log.pkg=connections)
2026-02-19T15:38:40Z: Resolved external address (uri=quic://0.0.0.0:22000 address=quic://34.253.5.147:22000 via=stun.counterpath.com:3478 log.pkg=connections)
2026-02-19T15:38:45Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:48032->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T15:38:45Z: Detected NAT services (count=1 log.pkg=nat)
2026-02-19T15:53:25Z: Adding folder (folder.label=Sync folder.id=nyx2l-m4fak folder.type=sendreceive log.pkg=model)
2026-02-19T15:53:25Z: Ready to synchronize (folder.label=Sync folder.id=nyx2l-m4fak folder.type=sendreceive log.pkg=model)
2026-02-19T15:53:25Z: Completed initial scan (folder.label=Sync folder.id=nyx2l-m4fak folder.type=sendreceive log.pkg=model)
2026-02-19T15:57:17Z: Failed to exchange Hello messages (device=N6LOBZS address=31.58.214.31:22067 error="read tcp 172.18.0.3:37104->31.58.214.31:22067: i/o timeout" log.pkg=connections)
2026-02-19T15:57:32Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:22000 connection.remote=89.24.56.82:33553 connection.type=quic-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LM417DL74344BI9LH0M6JSNE log.pkg=connections)
2026-02-19T15:57:32Z: New device connection (device=N6LOBZS address=89.24.56.82:33553 remote.name=Michals-MacBook-Air.local remote.client=syncthing remote.version=v2.0.14 log.pkg=model)
2026-02-19T15:57:52Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:22000 connection.remote=89.24.56.82:33553 connection.type=quic-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LM43IGSKR9COL4HR7S55Q3CG log.pkg=connections)
2026-02-19T15:57:52Z: Additional device connection (device=N6LOBZS address=89.24.56.82:33553 count=1 log.pkg=model)
2026-02-19T15:57:53Z: Established secure connection (device=N6LOBZS connection.local="[::]:22000" connection.remote=89.24.56.82:33553 connection.type=quic-client connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LM43JTP30GUN03KI4U2FIJ0A log.pkg=connections)
2026-02-19T15:57:53Z: Additional device connection (device=N6LOBZS address=89.24.56.82:33553 count=2 log.pkg=model)
2026-02-19T16:00:40Z: Unexpected folder ID in ClusterConfig; ensure that the folder exists and that this device is selected under "Share With" in the folder configuration. (folder.id=xpwcl-m7evx device=N6LOBZS log.pkg=model)
2026-02-19T16:01:09Z: Adding folder (folder.id=xpwcl-m7evx folder.type=sendreceive log.pkg=model)
2026-02-19T16:01:09Z: Ready to synchronize (folder.id=xpwcl-m7evx folder.type=sendreceive log.pkg=model)
2026-02-19T16:01:09Z: Peer has a new index ID (device=N6LOBZS folder.id=xpwcl-m7evx folder.type=sendreceive indexid=0xDF7D2FDEA49748FB log.pkg=model)
2026-02-19T16:01:09Z: Completed initial scan (folder.id=xpwcl-m7evx folder.type=sendreceive log.pkg=model)
2026-02-19T16:01:10Z: Synced file (folder.id=xpwcl-m7evx folder.type=sendreceive file.name=Koření.pdf file.modified="2026-02-08 08:49:10.562863529 +0000 UTC" file.permissions=0644 file.size=23806 file.blocksize=131072 blocks.local=0 blocks.download=1 log.pkg=model)
2026-02-19T16:01:49Z: Removing folder (folder.label=Sync folder.id=nyx2l-m4fak folder.type=sendreceive log.pkg=model)
2026-02-19T16:01:49Z: Removed folder (folder.label=Sync folder.id=nyx2l-m4fak folder.type=sendreceive log.pkg=model)
2026-02-19T16:02:14Z: Synced file (folder.id=xpwcl-m7evx folder.type=sendreceive file.name="Koření (1).pdf" file.modified="2026-02-08 08:58:10.171190606 +0000 UTC" file.permissions=0644 file.size=24692 file.blocksize=131072 blocks.local=0 blocks.download=1 log.pkg=model)
2026-02-19T16:09:09Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:38450->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T16:09:19Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:49890->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T16:23:34Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:22000-89.24.56.82:33553/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LM417DL74344BI9LH0M6JSNE error="reading length: timeout: no recent network activity" remaining=2 log.pkg=model)
2026-02-19T16:23:39Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:22000-89.24.56.82:33553/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LM43IGSKR9COL4HR7S55Q3CG error="reading length: timeout: no recent network activity" remaining=1 log.pkg=model)
2026-02-19T16:23:39Z: Lost device connection (kind=secondary device=N6LOBZS connection="[::]:22000-89.24.56.82:33553/quic-client/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LM43JTP30GUN03KI4U2FIJ0A" error="reading length: timeout: no recent network activity" remaining=0 log.pkg=model)
2026-02-19T16:23:39Z: Connection closed (device=N6LOBZS connection="[::]:22000-89.24.56.82:33553/quic-client/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LM43JTP30GUN03KI4U2FIJ0A" error="reading length: timeout: no recent network activity" log.pkg=model)
2026-02-19T16:39:43Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:46401->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T16:39:53Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:48582->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T16:59:15Z: Established secure connection (device=N6LOBZS connection.local="[::]:22000" connection.remote=86.49.246.64:42022 connection.type=quic-client connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LMHG7SHFATGPORCAVF2660T0 log.pkg=connections)
2026-02-19T16:59:15Z: New device connection (device=N6LOBZS address=86.49.246.64:42022 remote.name=Michals-MacBook-Air.local remote.client=syncthing remote.version=v2.0.14 log.pkg=model)
2026-02-19T16:59:33Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:22000 connection.remote=86.49.246.64:42022 connection.type=quic-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LMHIAVO88AO35TPRC3H1PG42 log.pkg=connections)
2026-02-19T16:59:33Z: Additional device connection (device=N6LOBZS address=86.49.246.64:42022 count=1 log.pkg=model)
2026-02-19T16:59:45Z: Established secure connection (device=N6LOBZS connection.local="[::]:22000" connection.remote=86.49.246.64:42022 connection.type=quic-client connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LMHJNIH3J66C08M04AMSCAL8 log.pkg=connections)
2026-02-19T16:59:45Z: Additional device connection (device=N6LOBZS address=86.49.246.64:42022 count=2 log.pkg=model)
2026-02-19T17:00:31Z: Lost device connection (kind=primary device=N6LOBZS connection="[::]:22000-86.49.246.64:42022/quic-client/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMHG7SHFATGPORCAVF2660T0" error="reading length: timeout: no recent network activity" remaining=2 log.pkg=model)
2026-02-19T17:00:31Z: Lost device connection (kind=secondary device=N6LOBZS connection="[::]:22000-86.49.246.64:42022/quic-client/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMHJNIH3J66C08M04AMSCAL8" error="reading length: timeout: no recent network activity" remaining=1 log.pkg=model)
2026-02-19T17:00:34Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:22000-86.49.246.64:42022/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMHIAVO88AO35TPRC3H1PG42 error="reading length: timeout: no recent network activity" remaining=0 log.pkg=model)
2026-02-19T17:00:34Z: Connection closed (device=N6LOBZS connection=172.18.0.3:22000-86.49.246.64:42022/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMHIAVO88AO35TPRC3H1PG42 error="reading length: timeout: no recent network activity" log.pkg=model)
2026-02-19T17:01:12Z: Failed to exchange Hello messages (device=N6LOBZS address=86.49.246.64:42022 error="Application error 0x0 (remote): closing" log.pkg=connections)
2026-02-19T17:01:32Z: Failed to exchange Hello messages (device=N6LOBZS address=86.49.246.64:42022 error="Application error 0x0 (remote): closing" log.pkg=connections)
2026-02-19T17:01:56Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:22000 connection.remote=86.49.246.64:42022 connection.type=quic-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=40 connection.id=64LMI30AJ2MMKE3SPP0GKHOQPS log.pkg=connections)
2026-02-19T17:01:56Z: New device connection (device=N6LOBZS address=86.49.246.64:42022 remote.name=Michals-MacBook-Air.local remote.client=syncthing remote.version=v2.0.14 log.pkg=model)
2026-02-19T17:02:27Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:22000-86.49.246.64:42022/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMI30AJ2MMKE3SPP0GKHOQPS error="reading length: timeout: no recent network activity" remaining=0 log.pkg=model)
2026-02-19T17:02:27Z: Connection closed (device=N6LOBZS connection=172.18.0.3:22000-86.49.246.64:42022/quic-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P40-64LMI30AJ2MMKE3SPP0GKHOQPS error="reading length: timeout: no recent network activity" log.pkg=model)
2026-02-19T17:10:17Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:47468->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T17:10:27Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:35240->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T17:40:51Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:43571->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T17:41:01Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:35013->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T17:51:12Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:44968 connection.remote=185.162.131.17:22067 connection.type=relay-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=50 connection.id=64LMSR6B3CT4GK999P6MT3IFKC log.pkg=connections)
2026-02-19T17:51:12Z: New device connection (device=N6LOBZS address=185.162.131.17:22067 remote.name=Michals-MacBook-Air.local remote.client=syncthing remote.version=v2.0.14 log.pkg=model)
2026-02-19T17:58:43Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:44968-185.162.131.17:22067/relay-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P50-64LMSR6B3CT4GK999P6MT3IFKC error="read timeout" remaining=0 log.pkg=model)
2026-02-19T17:58:43Z: Connection closed (device=N6LOBZS connection=172.18.0.3:44968-185.162.131.17:22067/relay-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P50-64LMSR6B3CT4GK999P6MT3IFKC error="read timeout" log.pkg=model)
2026-02-19T18:02:41Z: Established secure connection (device=N6LOBZS connection.local=172.18.0.3:45074 connection.remote=185.162.131.17:22067 connection.type=relay-server connection.lan=false connection.crypto=TLS1.3-TLS_AES_128_GCM_SHA256 connection.prio=50 connection.id=64LMVBCA3J8UQR3CS0H786AD22 log.pkg=connections)
2026-02-19T18:02:41Z: New device connection (device=N6LOBZS address=185.162.131.17:22067 remote.name=Michals-MacBook-Air.local remote.client=syncthing remote.version=v2.0.14 log.pkg=model)
2026-02-19T18:10:12Z: Lost device connection (kind=primary device=N6LOBZS connection=172.18.0.3:45074-185.162.131.17:22067/relay-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P50-64LMVBCA3J8UQR3CS0H786AD22 error="read timeout" remaining=0 log.pkg=model)
2026-02-19T18:10:12Z: Connection closed (device=N6LOBZS connection=172.18.0.3:45074-185.162.131.17:22067/relay-server/TLS1.3-TLS_AES_128_GCM_SHA256/WAN-P50-64LMVBCA3J8UQR3CS0H786AD22 error="read timeout" log.pkg=model)
2026-02-19T18:11:25Z: Failed to acquire open port (mapping="[::]:22000/TCP" id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:37501->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
2026-02-19T18:11:35Z: Failed to acquire open port (mapping=0.0.0.0:22000/UDP id=NAT-PMP@172.18.0.1 error="getting new lease on NAT-PMP@172.18.0.1 (external port 21128 -> internal port 22000): read udp 172.18.0.3:41261->172.18.0.1:5351: recvfrom: connection refused" log.pkg=nat)
