Any update on this? Still seeing this behavior in our applications. Below are some lines I pulled from journalctl on the host OS. Let me know if there is any other information I can provide or troubleshooting I can do to assist with this.
Oct 31 15:18:25 64fb500971d2 balenad[839]: [60B blob data]
Oct 31 15:18:25 64fb500971d2 balenad[839]: [60B blob data]
Oct 31 15:18:25 64fb500971d2 balenad[839]: [60B blob data]
Oct 31 15:18:26 64fb500971d2 ModemManager[632]: Couldn't check support for device '/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1': not supported by any plugin
Oct 31 15:18:26 64fb500971d2 balenad[839]: [60B blob data]
Oct 31 15:18:26 64fb500971d2 systemd-udevd[1603]: Process '/usr/sbin/crda' failed with exit code 234.
Oct 31 15:18:27 64fb500971d2 balenad[839]: [60B blob data]
Oct 31 15:18:27 64fb500971d2 ModemManager[632]: (net/wlan0): released by device '/sys/devices/platform/soc/3f300000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1'
Oct 31 15:18:27 64fb500971d2 ModemManager[632]: Couldn't check support for device '/sys/devices/platform/soc/3f300000.mmc/mmc_host/mmc1/mmc1:0001/mmc1:0001:1': Operation was cancelled
Oct 31 15:18:27 64fb500971d2 ModemManager[632]: (net/eth0): released by device '/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1'
Oct 31 15:18:27 64fb500971d2 ModemManager[632]: Couldn't check support for device '/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.1': Operation was cancelled
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.372Z] Event: Supervisor start {}
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.372Z] Event: Supervisor start {}
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.819Z] Event: Service already running {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"imag>
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.819Z] Event: Service already running {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"i>
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.888Z] Connectivity check enabled: true
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.888Z] Connectivity check enabled: true
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.900Z] Starting periodic check for IP addresses
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.900Z] Starting periodic check for IP addresses
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.921Z] Reporting initial state, supervisor version and API info
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.921Z] Reporting initial state, supervisor version and API info
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.926Z] Starting API server
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.926Z] Starting API server
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.970Z] Ensuring device is provisioned
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.970Z] Ensuring device is provisioned
Oct 31 15:18:31 64fb500971d2 balenad[839]: [2018-10-31T15:18:31.997Z] Applying target state
Oct 31 15:18:31 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:31.997Z] Applying target state
Oct 31 15:18:32 64fb500971d2 balenad[839]: [2018-10-31T15:18:32.030Z] VPN status path exists.
Oct 31 15:18:32 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:32.030Z] VPN status path exists.
Oct 31 15:18:32 64fb500971d2 balenad[839]: [2018-10-31T15:18:32.162Z] Internet Connectivity: OK
Oct 31 15:18:32 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:32.162Z] Internet Connectivity: OK
Oct 31 15:18:32 64fb500971d2 balenad[839]: [2018-10-31T15:18:32.172Z] Event: Device bootstrap {}
Oct 31 15:18:32 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:32.172Z] Event: Device bootstrap {}
Oct 31 15:18:32 64fb500971d2 balenad[839]: [2018-10-31T15:18:32.870Z] Starting current state report
Oct 31 15:18:32 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:32.887Z] Starting target state poll
Oct 31 15:18:32 64fb500971d2 balenad[839]: [2018-10-31T15:18:32.887Z] Starting target state poll
Oct 31 15:18:33 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:33.545Z] Event: Service kill {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:33 64fb500971d2 balenad[839]: [2018-10-31T15:18:33.545Z] Event: Service kill {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:35 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:35.694395267Z" level=info msg="Container failed to stop after sending signal 37 to the process, force killing"
Oct 31 15:18:36 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:36.203087621Z" level=warning msg="unknown container" container=befeb89a1dcd9e3a9cd8b1e14362c7a0dc301733d9f14f2109e9c9bc549ccde6 module=libcontainerd namespace=plugins.moby
Oct 31 15:18:36 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:36Z" level=info msg="shim reaped" id=befeb89a1dcd9e3a9cd8b1e14362c7a0dc301733d9f14f2109e9c9bc549ccde6 module=containerd/tasks
Oct 31 15:18:36 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:36.544532083Z" level=info msg="ignoring event" module=libcontainerd namespace=moby topic=/tasks/delete type="*events.TaskDelete"
Oct 31 15:18:36 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:36.546588030Z" level=info msg="ignoring event" module=libcontainerd namespace=plugins.moby topic=/tasks/delete type="*events.TaskDelete"
Oct 31 15:18:36 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:36.770217115Z" level=info msg="ignoring event" module=libcontainerd namespace=moby topic=/containers/delete type="*events.ContainerDelete"
Oct 31 15:18:36 64fb500971d2 balenad[839]: [2018-10-31T15:18:36.824Z] Event: Service exit {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:36 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:36.824Z] Event: Service exit {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:37 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:37.160Z] Event: Service stop {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:37 64fb500971d2 balenad[839]: [2018-10-31T15:18:37.160Z] Event: Service stop {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.app-id":"712935","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.service-id":"7806","io.resin.service-name":"main","io.resin.supervised":"true"}}}
Oct 31 15:18:38 64fb500971d2 balenad[839]: [2018-10-31T15:18:38.499Z] Event: Service install {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:38 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:38.499Z] Event: Service install {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:39 64fb500971d2 balenad[839]: [2018-10-31T15:18:39.072Z] Event: Service installed {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:39 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:39.072Z] Event: Service installed {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:39 64fb500971d2 balenad[839]: [2018-10-31T15:18:39.088Z] Event: Service start {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:39 64fb500971d2 healthdog[1155]: [2018-10-31T15:18:39.088Z] Event: Service start {"service":{"appId":712935,"serviceId":7806,"serviceName":"main","releaseId":651424,"image":"sha256:f6fd663490e2375b008035816d47c439a1ebcf00d6a49e6d2cbee24ade2e90ec","labels":{"io.resin.features.dbus":"1","io.resin.features.firmware":"1","io.resin.features.kernel-modules":"1","io.resin.features.resin-api":"1","io.resin.features.supervisor-api":"1","io.resin.architecture":"armv7hf","io.resin.device-type":"raspberry-pi2","io.resin.qemu.version":"3.0.0+resin-arm","io.resin.supervised":"true","io.resin.app-id":"712935","io.resin.service-id":"7806","io.resin.service-name":"main"}}}
Oct 31 15:18:39 64fb500971d2 healthdog[839]: time="2018-10-31T15:18:39.221037842Z" level=info msg="ignoring event" module=libcontainerd namespace=moby topic=/containers/create type="*events.ContainerCreate"