Bump tokio from 1.23.0 to 1.25.0 (#21)

Bumps [tokio](https://github.com/tokio-rs/tokio) from 1.23.0 to 1.25.0.
- [Release notes](https://github.com/tokio-rs/tokio/releases)
- [Commits](https://github.com/tokio-rs/tokio/compare/tokio-1.23.0...tokio-1.25.0)

---
updated-dependencies:
- dependency-name: tokio
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Cargo.lock

@@ -1424,9 +1424,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.23.0"
+version = "1.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eab6d665857cc6ca78d6e80303a02cea7a7851e85dfbd77cbdc09bd129f1ef46"
+checksum = "c8e00990ebabbe4c14c08aca901caed183ecd5c09562a12c824bb53d3c3fd3af"
 dependencies = [
  "autocfg",
  "bytes",

lib/proxy/host.rs

@@ -20,10 +20,13 @@ impl Proxy {
             Ok(_) => Ok(()),
             Err(err) => {
                 if let Some(libc::ENOBUFS) = err.raw_os_error() {
-                    sentry::capture_message(
+                    if !self.enobufs_encountered {
-                        "No buffer space available in VM's socket",
+                        sentry::capture_message(
-                        sentry::Level::Warning,
+                            "No buffer space available in VM's socket",
-                    );
+                            sentry::Level::Warning,
+                        );
+                        self.enobufs_encountered = true;
+                    }
 
                     return Ok(());
                 }

lib/proxy/mod.rs

@@ -18,6 +18,7 @@ pub struct Proxy {
     poller: Poller,
     vm_mac_address: smoltcp::wire::EthernetAddress,
     dhcp_snooper: DhcpSnooper,
+    enobufs_encountered: bool,
 }
 
 impl Proxy {
@@ -32,6 +33,7 @@ impl Proxy {
             poller,
             vm_mac_address: smoltcp::wire::EthernetAddress(vm_mac_address.bytes()),
             dhcp_snooper: Default::default(),
+            enobufs_encountered: false,
         })
     }