s6 service errors in tar1090 container

[shawaj]

As per #247 (comment)

There are several errors coming from the s6 service in the tar1090 container. Unclear why exactly, or whether it's an issue (tar1090 and graphs1090 seem to run ok)

tar1090  [2025-01-31 23:40:22.596][graphs1090] 354 (process ID) old priority 0, new priority 19
 tar1090  [2025-01-31 23:40:22.597][readsb] actual range outline, read bytes: 368644
 tar1090  [2025-01-31 23:40:22.599][readsb]  .......... done, loaded 4 aircraft in 0.031 seconds!
 tar1090  [2025-01-31 23:40:22.599][readsb] aircraft table fill: 0.0
 tar1090  s6-svc: fatal: unable to control /run/service/: supervisor not listening
 tar1090  [2025-01-31 23:40:22.604][readsb] 30152: API output port                
 tar1090  [2025-01-31 23:40:22.604][readsb] 
 tar1090  fatal library error, lookup self
 tar1090  [2025-01-31 23:40:22.619][readsb] 30002: Raw TCP output port            
 tar1090  [2025-01-31 23:40:22.628][readsb] 30005: Beast TCP output port          
 tar1090  [2025-01-31 23:40:22.632][readsb] 30006: BeastReduce TCP output port    
 tar1090  [2025-01-31 23:40:22.632][readsb] 30047: Position json output port      
 tar1090  [2025-01-31 23:40:22.633][readsb] 30003: SBS TCP output ALL port        
 tar1090  [2025-01-31 23:40:22.633][readsb] 32006: SBS TCP input MAIN port        
 tar1090  [2025-01-31 23:40:22.634][readsb] 32007: SBS TCP input MLAT port        
 tar1090  [2025-01-31 23:40:22.634][readsb] 32008: SBS TCP input PRIO port        
 tar1090  [2025-01-31 23:40:22.634][readsb] 32009: SBS TCP input JAERO port       
 tar1090  [2025-01-31 23:40:22.635][readsb] 30001: Raw TCP input port             
 tar1090  [2025-01-31 23:40:22.636][readsb] 30004: Beast TCP input port           
 tar1090  [2025-01-31 23:40:22.636][readsb] 30104: Beast TCP input port           
 tar1090  fatal library error, lookup self
 tar1090  s6-svc: fatal: unable to control /run/service/: supervisor not listening
 tar1090  [2025-01-31 23:40:22.660][readsb] Beast TCP input: Connection established: adsb-exchange (172.19.0.12) port 30157
 tar1090  [2025-01-31 23:40:22.660][readsb] Beast TCP input: Connection established: dump1090-fa (172.19.0.6) port 30005
 tar1090  [2025-01-31 23:40:22.709][graphs1090] Generating all graphs
 tar1090  [2025-01-31 23:40:24.032][tar1090-update] tar1090 version: 3.14.1706 tar1090-db version: 3.14.1635
 tar1090  fatal library error, lookup self
 tar1090  fatal library error, lookup self
 tar1090  s6-svc: fatal: unable to control /run/service/: supervisor not listening
 tar1090  [2025-01-31 23:40:27.511][tar1090] 1377 (process ID) old priority 0, new priority 19
 tar1090  [2025-01-31 23:40:35.495][collectd] [2025-01-31 23:40:35] plugin_load: plugin "logfile" successfully loaded.
 tar1090  [2025-01-31 23:40:36.749][collectd] [error] set_thread_name("rrdtool queue"): No such file or directory
 tar1090  [2025-01-31 23:40:36.749][collectd] [error] set_thread_name("writer#0"): No such file or directory
 tar1090  [2025-01-31 23:40:36.749][collectd] [error] set_thread_name("reader#0"): No such file or directory
 tar1090  [2025-01-31 23:40:36.750][collectd] [error] set_thread_name("reader#1"): No such file or directory
 tar1090  [2025-01-31 23:40:36.750][collectd] [error] set_thread_name("reader#2"): No such file or directory
 tar1090  [2025-01-31 23:40:36.750][collectd] [error] set_thread_name("reader#3"): No such file or directory
 tar1090  [2025-01-31 23:40:36.751][collectd] [error] set_thread_name("reader#4"): No such file or directory