Residual norms for stokes_ solve.
  0 KSP Residual norm 8.027318457323e-01 
  1 KSP Residual norm 3.217055161566e-01 
  2 KSP Residual norm 1.567207800303e-02 
  3 KSP Residual norm 2.523442875205e-03 
  4 KSP Residual norm 5.769713622537e-04 
  5 KSP Residual norm 1.367390746917e-04 
  6 KSP Residual norm 3.607833346417e-05 
  7 KSP Residual norm 1.029740760743e-05 
  8 KSP Residual norm 2.036631234554e-06