After a year of nearly having no problems, I got nodes that started crashing.
I let my repeater up for the night and monitored his behavour.
I got this again:
08:47:27.607 -> 22440 NRF5:SND:TO=0,LEN=16,PID=0,NOACK=0
08:47:27.641 -> 22447 NRF5:SND:END=1,ACK=1,RTRY=2,RSSI=-45,WAKE=8
08:47:27.641 -> 22452 TSF:MSG:SEND,78-78-0-0,s=1,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=OK:24.3
08:47:27.707 -> 22508 NRF5:SND:TO=0,LEN=16,PID=1,NOACK=0
08:47:27.707 -> 22515 NRF5:SND:END=1,ACK=1,RTRY=2,RSSI=-45,WAKE=7
08:47:27.707 -> 22520 TSF:MSG:SEND,78-78-0-0,s=0,c=1,t=1,pt=7,l=5,sg=0,ft=0,st=OK:45.2
08:47:28.435 -> 23226 NRF5:SND:TO=0,LEN=16,PID=2,NOACK=0
08:47:28.435 -> 23233 NRF5:SND:END=1,ACK=1,RTRY=2,RSSI=-45,WAKE=7
08:47:28.435 -> 23237 TSF:MSG:SEND,78-78-0-0,s=2,c=1,t=16,pt=1,l=1,sg=0,ft=0,st=OK:1
08:47:28.766 -> Si7021 Found
08:47:29.331 -> 24145 NRF5:SND:TO=0,LEN=16,PID=3,NOACK=0
08:47:29.331 -> 24152 NRF5:SND:END=1,ACK=1,RTRY=2,RSSI=-45,WAKE=7
08:47:29.331 -> 24157 TSF:MSG:SEND,78-78-0-0,s=1,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=OK:24.3
08:47:29.397 -> 24213 NRF5:SND:TO=0,LEN=16,PID=0,NOACK=0
08:47:29.397 -> 24220 NRF5:SND:END=1,ACK=1,RTRY=2,RSSI=-45,WAKE=7
08:47:29.397 -> 24225 TSF:MSG:SEND,78-78-0-0,s=0,c=1,t=1,pt=7,l=5,sg=0,ft=0,st=OK:45.2
08:47:32.310 -> 27131 NRF5:SND:TO=0,LEN=16,PID=1,NOACK=0
anyone got an Idea what this message means,
it crashes after the last line.