No logging on EINTR, and log all the errnos

selfdrive/camerad/cameras/camera_qcom.c

@@ -2117,10 +2117,7 @@ void cameras_run(DualCameraState *s) {
 
     int ret = poll(fds, ARRAYSIZE(fds), 1000);
     if (ret <= 0) {
-      if (errno == EINTR){
-        LOGW("poll EINTR");
-        continue;
-      }
+      if (errno == EINTR) continue;
       LOGE("poll failed (%d - %d)", ret, errno);
       break;
     }

selfdrive/camerad/main.cc

@@ -799,11 +799,8 @@ void* visionserver_thread(void* arg) {
 
     int ret = zmq_poll(polls, ARRAYSIZE(polls), -1);
     if (ret < 0) {
-      if (errno == EINTR){
-        LOGW("poll EINTR");
-        continue;
-      }
-      LOGE("poll failed (%d)", ret);
+      if (errno == EINTR) continue;
+      LOGE("poll failed (%d - %d)", ret, errno);
       break;
     }
     if (polls[0].revents) {

selfdrive/ui/ui.cc

@@ -598,12 +598,9 @@ static void ui_update(UIState *s) {
       int ret = zmq_poll(polls, 1, 1000);
     #endif
     if (ret < 0) {
-      if (errno == EINTR){
-        LOGW("poll EINTR");
-        continue;
-      }
+      if (errno == EINTR) continue;
 
-      LOGW("poll failed (%d)", ret);
+      LOGE("poll failed (%d - %d)", ret, errno);
       close(s->ipc_fd);
       s->ipc_fd = -1;
       s->vision_connected = false;