bin/avar.cc: add an "onkern" option
bin/avar.cc: add an "onkern" option

aclements/sv6,bowlofstew/sv6,bowlofstew/sv6,bowlofstew/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6