Kevin O'Connor 0245073c55 serialhdl: Catch os.error on can.interface.Bus() call ...

It seems opening the canbus socket can sometimes throw an os.error (in
addition to can.CanError).  Catch that error to avoid Klipper
reporting an internal error.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2023-06-17 19:32:06 -04:00

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