diff --git a/Cargo.lock b/Cargo.lock
index 9a38c73400..5585b1f8fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -107,9 +107,9 @@ dependencies = [
 
 [[package]]
 name = "ahash"
-version = "0.7.5"
+version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "991984e3fd003e7ba02eb724f87a0f997b78677c46c0e91f8424ad7394c9886a"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
 dependencies = [
  "getrandom 0.2.3",
  "once_cell",
@@ -3029,9 +3029,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.103"
+version = "0.2.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8f7255a17a627354f321ef0055d63b898c6fb27eff628af4d1b66b7331edf6"
+checksum = "7b2f96d100e1cf1929e7719b7edb3b90ab5298072638fccd77be9ce942ecdfce"
 
 [[package]]
 name = "libflate"
@@ -3115,7 +3115,7 @@ dependencies = [
  "log",
  "multiaddr",
  "multihash",
- "multistream-select 0.10.2",
+ "multistream-select 0.10.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot",
  "pin-project 1.0.8",
  "prost",
@@ -3148,7 +3148,7 @@ dependencies = [
  "log",
  "multiaddr",
  "multihash",
- "multistream-select 0.10.4",
+ "multistream-select 0.10.4 (git+https://github.com/libp2p/rust-libp2p?rev=ce23cbe76a0382b6fcb0e49f1b2612df86f6465d)",
  "parking_lot",
  "pin-project 1.0.8",
  "prost",
@@ -3868,9 +3868,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.13"
+version = "0.7.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c2bdb6314ec10835cd3293dd268473a835c02b7b352e788be788b3c6ca6bb16"
+checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
 dependencies = [
  "libc",
  "log",
@@ -3979,9 +3979,9 @@ dependencies = [
 
 [[package]]
 name = "multistream-select"
-version = "0.10.2"
+version = "0.10.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d91ec0a2440aaff5f78ec35631a7027d50386c6163aa975f7caa0d5da4b6ff8"
+checksum = "56a336acba8bc87c8876f6425407dbbe6c417bf478b22015f8fb0994ef3bc0ab"
 dependencies = [
  "bytes 1.1.0",
  "futures",
@@ -4542,9 +4542,9 @@ dependencies = [
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.10"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
+checksum = "c3ca011bd0129ff4ae15cd04c4eef202cadf6c51c21e47aba319b4e0501db741"
 
 [[package]]
 name = "primitive-types"
diff --git a/beacon_node/eth2_libp2p/src/peer_manager/peerdb.rs b/beacon_node/eth2_libp2p/src/peer_manager/peerdb.rs
index c382f6e4fd..498ca6cc96 100644
--- a/beacon_node/eth2_libp2p/src/peer_manager/peerdb.rs
+++ b/beacon_node/eth2_libp2p/src/peer_manager/peerdb.rs
@@ -782,15 +782,15 @@ impl<TSpec: EthSpec> PeerDB<TSpec> {
             }
 
             /* Handle the transition to the disconnecting state */
-            (
-                PeerConnectionStatus::Banned { .. } | PeerConnectionStatus::Disconnected { .. },
-                NewConnectionState::Disconnecting { to_ban },
-            ) => {
-                error!(self.log, "Disconnecting from an already disconnected peer"; "peer_id" => %peer_id);
+            (PeerConnectionStatus::Banned { .. }, NewConnectionState::Disconnecting { to_ban }) => {
+                error!(self.log, "Disconnecting from a banned peer"; "peer_id" => %peer_id);
                 info.set_connection_status(PeerConnectionStatus::Disconnecting { to_ban });
             }
             (_, NewConnectionState::Disconnecting { to_ban }) => {
                 // We overwrite all states and set this peer to be disconnecting.
+                // NOTE: A peer can be in the disconnected state and transition straight to a
+                // disconnected state. This occurs when a disconnected peer dials us, we have too
+                // many peers and we transition them straight to the disconnecting state.
                 info.set_connection_status(PeerConnectionStatus::Disconnecting { to_ban });
             }