diff --git a/local/patches/base/P45-net-msix-adoption.patch b/local/patches/base/P45-net-msix-adoption.patch
new file mode 100644
index 0000000000..22c923a31f
--- /dev/null
+++ b/local/patches/base/P45-net-msix-adoption.patch
@@ -0,0 +1,60 @@
+diff --git a/drivers/net/e1000d/src/main.rs b/drivers/net/e1000d/src/main.rs
+index c66cccd1..58ab2999 100644
+--- a/drivers/net/e1000d/src/main.rs
++++ b/drivers/net/e1000d/src/main.rs
+@@ -5,0 +6 @@ use event::{user_data, EventQueue};
++use pcid_interface::irq_helpers::pci_allocate_interrupt_vector;
+@@ -28,5 +28,0 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-    let irq = pci_config
+-        .func
+-        .legacy_interrupt_line
+-        .expect("e1000d: no legacy interrupts supported");
+-
+@@ -35 +31,7 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-    let mut irq_file = irq.irq_handle("e1000d");
++    let irq_file = match pci_allocate_interrupt_vector(&mut pcid_handle, "e1000d") {
++        Some(iv) => iv,
++        None => {
++            log::error!("e1000d: no interrupt vector available, exiting");
++            std::process::exit(1);
++        }
++    };
+@@ -58 +60 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-            irq_file.as_raw_fd() as usize,
++            irq_file.irq_handle().as_raw_fd() as usize,
+@@ -79 +81 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-                irq_file.read(&mut irq).expect("e1000d: IRQ read failed");
++                irq_file.irq_handle().read(&mut irq).expect("e1000d: IRQ read failed");
+@@ -81 +83 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-                    irq_file.write(&mut irq).expect("e1000d: IRQ ack failed");
++                    irq_file.irq_handle().write(&mut irq).expect("e1000d: IRQ ack failed");
+diff --git a/drivers/net/ixgbed/src/main.rs b/drivers/net/ixgbed/src/main.rs
+index 4a6ce74d..f06898ec 100644
+--- a/drivers/net/ixgbed/src/main.rs
++++ b/drivers/net/ixgbed/src/main.rs
+@@ -5,0 +6 @@ use event::{user_data, EventQueue};
++use pcid_interface::irq_helpers::pci_allocate_interrupt_vector;
+@@ -22,5 +22,0 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-    let irq = pci_config
+-        .func
+-        .legacy_interrupt_line
+-        .expect("ixgbed: no legacy interrupts supported");
+-
+@@ -29 +25,7 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-    let mut irq_file = irq.irq_handle("ixgbed");
++    let irq_file = match pci_allocate_interrupt_vector(&mut pcid_handle, "ixgbed") {
++        Some(iv) => iv,
++        None => {
++            log::error!("ixgbed: no interrupt vector available, exiting");
++            std::process::exit(1);
++        }
++    };
+@@ -54 +56 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-            irq_file.as_raw_fd() as usize,
++            irq_file.irq_handle().as_raw_fd() as usize,
+@@ -75 +77 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-                irq_file.read(&mut irq).unwrap();
++                irq_file.irq_handle().read(&mut irq).unwrap();
+@@ -77 +79 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
+-                    irq_file.write(&mut irq).unwrap();
++                    irq_file.irq_handle().write(&mut irq).unwrap();
diff --git a/recipes/core/base/recipe.toml b/recipes/core/base/recipe.toml
index ee6d281838..e1fa44ff5b 100644
--- a/recipes/core/base/recipe.toml
+++ b/recipes/core/base/recipe.toml
@@ -89,6 +89,8 @@ patches = [
     "P42-inputd-graceful-fallback.patch",
     "P43-dhcpd-requires-hard-dep.patch",
     "P44-acpid-thermal-zones.patch",
+    # P45: Migrate e1000d and ixgbed to MSI-X via pci_allocate_interrupt_vector
+    "P45-net-msix-adoption.patch",
 ]
 
 [package]