jenkins: kill potentially leftover processes (#24078)
jenkins: kill potentially leftover processes (#24078)

* jenkins: kill potentially leftover processes

* cleaner

* oops

* escape

* might already be dead
commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot