Don't print out command line help when getting a runtime exception
Don't print out command line help when getting a runtime exception

erenyagdiran/libvirt-sandbox,libvirt/libvirt-sandbox,gczarcinski/libvirt-sandbox,kraman/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,agx/libvirt-sandbox-debian,kraman/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,gczarcinski/libvirt-sandbox,kraman/libvirt-sandbox,gczarcinski/libvirt-sandbox,libvirt/libvirt-sandbox,erenyagdiran/libvirt-sandbox,gczarcinski/libvirt-sandbox,aristeu/libvirt-sandbox,aristeu/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox,aristeu/libvirt-sandbox,libvirt/libvirt-sandbox,agx/libvirt-sandbox-debian,aristeu/libvirt-sandbox,agx/libvirt-sandbox-debian,aristeu/libvirt-sandbox,kraman/libvirt-sandbox,agx/libvirt-sandbox-debian,erenyagdiran/libvirt-sandbox