How to suppress console error/warning/info messages when executing selenium python scripts using chrome canary

Try options.add_argument('log-level=3').

log-level: 
Sets the minimum log level.
Valid values are from 0 to 3: 

    INFO = 0, 
    WARNING = 1, 
    LOG_ERROR = 2, 
    LOG_FATAL = 3.

default is 0.