DAQ status shows 0xbad on k1ex0 due to hang up mx_stream.
So I restarted mx_stream.

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mmapped address is 0x7f690332b000
mmapped address is 0x7f68ff32b000
mmapped address is 0x7f68fb32b000
mmapped address is 0x7f68f732b000
mmapped address is 0x7f68f332b000
mmapped address is 0x7f68ef32b000
send len = 263596
Connection Made
isendxxx failed with status Remote Endpoint Unreachable
disconnected from the sender