diff --git a/crates/bundle/src/send/driver.rs b/crates/bundle/src/send/driver.rs
index f220c30..4a31bf2 100644
--- a/crates/bundle/src/send/driver.rs
+++ b/crates/bundle/src/send/driver.rs
@@ -1,5 +1,5 @@
 use crate::send::SignetEthBundle;
-use alloy::{hex, primitives::U256};
+use alloy::{consensus::Transaction, hex, primitives::U256};
 use signet_evm::{DriveBundleResult, EvmErrored, EvmNeedsTx, SignetInspector, SignetLayered};
 use signet_types::{AggregateFills, AggregateOrders, MarketError, SignedPermitError};
 use std::borrow::Cow;
@@ -262,6 +262,8 @@ where
         // changes into the host_evm's state. If any reverts, we error out the
         // simulation.
         for tx in host_txs.into_iter() {
+            let _span = tracing::debug_span!("host_txn loop", tx_hash = %tx.hash()).entered();
+
             self.output.host_evm = Some(trevm_try!(
                 self.output
                     .host_evm
@@ -297,7 +299,7 @@ where
                         Ok(htrevm.accept_state())
                     })
                     .map_err(|err| {
-                        error!(err = %err.error(), err_dbg = ?err.error(), "error while running host transaction");
+                        error!(host_tx_nonce = ?tx.nonce(), host_tx_hash = ?tx.hash(), err = %err.error(), err_dbg = ?err.error(), "error while running host transaction");
                         SignetEthBundleError::HostSimulation("host simulation error")
                     }),
                 trevm
diff --git a/crates/sim/src/env/sim_env.rs b/crates/sim/src/env/sim_env.rs
index 8c3269a..a4399da 100644
--- a/crates/sim/src/env/sim_env.rs
+++ b/crates/sim/src/env/sim_env.rs
@@ -306,7 +306,11 @@ where
                             return;
                         }
                         Err(e) => {
-                            trace!(?identifier, %e, "Simulation failed");
+                            let host_block_num = this_ref.host.block().number;
+                            let host_env_block_num = this_ref.host_env().block().number;
+                            let ru_block_num = this_ref.rollup.block().number;
+                            let ru_env_block_num = this_ref.rollup_env().block().number;
+                            trace!(?identifier, %e, %host_block_num, %host_env_block_num, %ru_block_num, %ru_env_block_num, "Simulation failed");
                         }
                     };
                     // fall through applies to all errors, occurs if