Add logging for shutting down non-root pipelines in the script thread.
Add logging for shutting down non-root pipelines in the script thread.

fiji-flo/servo,szeged/servo,upsuper/servo,SimonSapin/servo,ConnorGBrewster/servo,nnethercote/servo,nnethercote/servo,SimonSapin/servo,nrc/servo,thiagopnts/servo,mattnenterprise/servo,upsuper/servo,KiChjang/servo,mbrubeck/servo,larsbergstrom/servo,peterjoel/servo,rnestler/servo,nrc/servo,emilio/servo,anthgur/servo,splav/servo,paulrouget/servo,nnethercote/servo,DominoTree/servo,ConnorGBrewster/servo,szeged/servo,dati91/servo,KiChjang/servo,larsbergstrom/servo,notriddle/servo,mattnenterprise/servo,peterjoel/servo,CJ8664/servo,ConnorGBrewster/servo,saneyuki/servo,DominoTree/servo,eddyb/servo,cbrewster/servo,KiChjang/servo,SimonSapin/servo,upsuper/servo,dati91/servo,ConnorGBrewster/servo,CJ8664/servo,sadmansk/servo,nrc/servo,pyfisch/servo,mbrubeck/servo,rnestler/servo,KiChjang/servo,CJ8664/servo,thiagopnts/servo,mbrubeck/servo,pyfisch/servo,splav/servo,jimberlage/servo,emilio/servo,upsuper/servo,szeged/servo,sadmansk/servo,cbrewster/servo,jimberlage/servo,saneyuki/servo,szeged/servo,notriddle/servo,nrc/servo,pyfisch/servo,thiagopnts/servo,DominoTree/servo,cbrewster/servo,rnestler/servo,dsandeephegde/servo,jimberlage/servo,peterjoel/servo,avadacatavra/servo,dati91/servo,jimberlage/servo,KiChjang/servo,larsbergstrom/servo,larsbergstrom/servo,anthgur/servo,eddyb/servo,cbrewster/servo,DominoTree/servo,canaltinova/servo,szeged/servo,szeged/servo,peterjoel/servo,splav/servo,mbrubeck/servo,saneyuki/servo,emilio/servo,nnethercote/servo,fiji-flo/servo,KiChjang/servo,dsandeephegde/servo,larsbergstrom/servo,notriddle/servo,SimonSapin/servo,paulrouget/servo,nnethercote/servo,szeged/servo,avadacatavra/servo,sadmansk/servo,emilio/servo,nnethercote/servo,splav/servo,thiagopnts/servo,thiagopnts/servo,dsandeephegde/servo,splav/servo,cbrewster/servo,dsandeephegde/servo,sadmansk/servo,anthgur/servo,CJ8664/servo,dati91/servo,fiji-flo/servo,paulrouget/servo,avadacatavra/servo,rnestler/servo,pyfisch/servo,paulrouget/servo,paulrouget/servo,notriddle/servo,SimonSapin/servo,dsandeephegde/servo,upsuper/servo,paulrouget/servo,anthgur/servo,anthgur/servo,notriddle/servo,cbrewster/servo,mbrubeck/servo,dsandeephegde/servo,anthgur/servo,peterjoel/servo,jimberlage/servo,cbrewster/servo,pyfisch/servo,splav/servo,canaltinova/servo,peterjoel/servo,saneyuki/servo,SimonSapin/servo,splav/servo,canaltinova/servo,larsbergstrom/servo,larsbergstrom/servo,DominoTree/servo,dati91/servo,DominoTree/servo,peterjoel/servo,mbrubeck/servo,sadmansk/servo,upsuper/servo,nrc/servo,DominoTree/servo,jimberlage/servo,nrc/servo,anthgur/servo,sadmansk/servo,emilio/servo,eddyb/servo,szeged/servo,paulrouget/servo,larsbergstrom/servo,saneyuki/servo,splav/servo,mattnenterprise/servo,DominoTree/servo,pyfisch/servo,CJ8664/servo,ConnorGBrewster/servo,nnethercote/servo,szeged/servo,emilio/servo,mattnenterprise/servo,notriddle/servo,mattnenterprise/servo,paulrouget/servo,jimberlage/servo,canaltinova/servo,peterjoel/servo,rnestler/servo,notriddle/servo,rnestler/servo,CJ8664/servo,eddyb/servo,saneyuki/servo,peterjoel/servo,saneyuki/servo,SimonSapin/servo,rnestler/servo,KiChjang/servo,fiji-flo/servo,thiagopnts/servo,splav/servo,DominoTree/servo,ConnorGBrewster/servo,thiagopnts/servo,upsuper/servo,CJ8664/servo,dati91/servo,mbrubeck/servo,splav/servo,pyfisch/servo,pyfisch/servo,fiji-flo/servo,KiChjang/servo,avadacatavra/servo,ConnorGBrewster/servo,sadmansk/servo,anthgur/servo,canaltinova/servo,KiChjang/servo,jimberlage/servo,emilio/servo,rnestler/servo,avadacatavra/servo,thiagopnts/servo,nnethercote/servo,pyfisch/servo,notriddle/servo,paulrouget/servo,jimberlage/servo,emilio/servo,mattnenterprise/servo,pyfisch/servo,KiChjang/servo,dati91/servo,canaltinova/servo,mbrubeck/servo,mattnenterprise/servo,notriddle/servo,avadacatavra/servo,nnethercote/servo,paulrouget/servo,cbrewster/servo,larsbergstrom/servo,SimonSapin/servo,CJ8664/servo,dsandeephegde/servo,DominoTree/servo,dati91/servo,sadmansk/servo,szeged/servo,avadacatavra/servo,emilio/servo,avadacatavra/servo,canaltinova/servo,eddyb/servo,saneyuki/servo,eddyb/servo,eddyb/servo,nnethercote/servo,larsbergstrom/servo,upsuper/servo,mattnenterprise/servo,eddyb/servo,ConnorGBrewster/servo,saneyuki/servo,peterjoel/servo,nrc/servo,fiji-flo/servo,fiji-flo/servo,emilio/servo,fiji-flo/servo,saneyuki/servo,dsandeephegde/servo,canaltinova/servo,notriddle/servo