adbs occasionally fails

[silverjam]

$ adbs -s XZ1 logcat -C
(standard_in) 1: illegal character: J
(standard_in) 1: illegal character: X
(standard_in) 1: illegal character: J
(standard_in) 1: illegal character: X
ping: unknown host 11...18
[STDERR] [XZ1/BX903J8X12] WARNING: device not connected to adb (via USB or TCP). Skipping device.