gremlin -silence errors when linuxcnc not running
gremlin -silence errors when linuxcnc not running

If linuxcnc is not running but gremlin is, there was polling
errors. Silence these.

bobvanderlinden/machinekit,unseenlaser/linuxcnc,EqAfrica/machinekit,unseenlaser/linuxcnc,cdsteinkuehler/MachineKit,ikcalB/linuxcnc-mirror,strahlex/machinekit,ArcEye/machinekit-testing,bmwiedemann/linuxcnc-mirror,EqAfrica/machinekit,ArcEye/MK-Qt5,unseenlaser/linuxcnc,narogon/linuxcnc,bmwiedemann/linuxcnc-mirror,mhaberler/machinekit,araisrobo/machinekit,Cid427/machinekit,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/MachineKit,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,unseenlaser/machinekit,kinsamanka/machinekit,ArcEye/machinekit-testing,ArcEye/machinekit-testing,unseenlaser/machinekit,Cid427/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit,mhaberler/machinekit,bobvanderlinden/machinekit,unseenlaser/linuxcnc,RunningLight/machinekit,araisrobo/machinekit,ArcEye/MK-Qt5,Cid427/machinekit,ikcalB/linuxcnc-mirror,cdsteinkuehler/linuxcnc,bmwiedemann/linuxcnc-mirror,araisrobo/machinekit,ArcEye/machinekit-testing,strahlex/machinekit,araisrobo/machinekit,kinsamanka/machinekit,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/linuxcnc,narogon/linuxcnc,aschiffler/linuxcnc,araisrobo/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,ikcalB/linuxcnc-mirror,Cid427/machinekit,kinsamanka/machinekit,ArcEye/machinekit-testing,ianmcmahon/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,ArcEye/MK-Qt5,bobvanderlinden/machinekit,bmwiedemann/linuxcnc-mirror,strahlex/machinekit,bobvanderlinden/machinekit,mhaberler/machinekit,unseenlaser/machinekit,RunningLight/machinekit,mhaberler/machinekit,araisrobo/machinekit,jaguarcat79/ILC-with-LinuxCNC,EqAfrica/machinekit,unseenlaser/machinekit,mhaberler/machinekit,narogon/linuxcnc,aschiffler/linuxcnc,ianmcmahon/linuxcnc-mirror,EqAfrica/machinekit,cdsteinkuehler/linuxcnc,bobvanderlinden/machinekit,narogon/linuxcnc,araisrobo/machinekit,kinsamanka/machinekit,cdsteinkuehler/linuxcnc,Cid427/machinekit,cdsteinkuehler/MachineKit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/MachineKit,EqAfrica/machinekit,cdsteinkuehler/linuxcnc,kinsamanka/machinekit,aschiffler/linuxcnc,RunningLight/machinekit,ianmcmahon/linuxcnc-mirror,EqAfrica/machinekit,ikcalB/linuxcnc-mirror,ianmcmahon/linuxcnc-mirror,aschiffler/linuxcnc,RunningLight/machinekit,cdsteinkuehler/MachineKit,RunningLight/machinekit,araisrobo/machinekit,strahlex/machinekit,ianmcmahon/linuxcnc-mirror,bobvanderlinden/machinekit,RunningLight/machinekit,kinsamanka/machinekit,strahlex/machinekit,unseenlaser/machinekit,jaguarcat79/ILC-with-LinuxCNC,ArcEye/MK-Qt5,ArcEye/machinekit-testing,strahlex/machinekit,ArcEye/MK-Qt5,narogon/linuxcnc,unseenlaser/linuxcnc,RunningLight/machinekit,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,bobvanderlinden/machinekit,kinsamanka/machinekit,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,mhaberler/machinekit,cdsteinkuehler/MachineKit,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,ArcEye/machinekit-testing,mhaberler/machinekit,EqAfrica/machinekit,mhaberler/machinekit,strahlex/machinekit,ianmcmahon/linuxcnc-mirror,cdsteinkuehler/linuxcnc,araisrobo/machinekit,Cid427/machinekit,unseenlaser/machinekit,EqAfrica/machinekit,Cid427/machinekit,aschiffler/linuxcnc