Clean up slaves even if processtree/slave* panics
Clean up slaves even if processtree/slave* panics

pelletencate/zeus,stripe/zeus,kgrz/zeus,latortuga/zeus,matrinox/zeus,pelletencate/zeus,latortuga/zeus,Lexxville/zeus,ylansegal/zeus,kgrz/zeus,pelletencate/zeus,matrinox/zeus,Lexxville/zeus,burke/zeus,stripe/zeus,stripe/zeus,latortuga/zeus,burke/zeus,ylansegal/zeus,kgrz/zeus,ylansegal/zeus,Lexxville/zeus,burke/zeus,matrinox/zeus