remove sending transport_reset event on snapshot creation

Signed-off-by: Amory Hoste <[email protected]>

Author: amohoste

src/devices/src/virtio/vsock/device.rs

@@ -26,7 +26,7 @@ use std::sync::Arc;
 use logger::{debug, error, warn, IncMetric, METRICS};
 use utils::byte_order;
 use utils::eventfd::EventFd;
-use vm_memory::{Bytes, GuestMemoryMmap};
+use vm_memory::{Bytes,GuestMemoryMmap};
 
 use super::super::super::Error as DeviceError;
 use super::super::{

src/vmm/src/device_manager/persist.rs

@@ -239,11 +239,12 @@ impl<'a> Persist<'a> for MMIODeviceManager {
 
                     // Send Transport event to reset connections if device
                     // is activated.
-                    if vsock.is_activated() {
+                    // TODO: temporarily disabled to avoid FC agent becoming unavailable when restoring snapshots
+                    /*if vsock.is_activated() {
                         vsock.send_transport_reset_event().unwrap_or_else(|e| {
                             error!("Failed to send reset transport event: {:?}", e);
                         });
-                    }
+                    }*/
 
                     states.vsock_device = Some(ConnectedVsockState {
                         device_id: devid.clone(),