diff --git a/drivers/net/ixgbed/src/main.rs b/drivers/net/ixgbed/src/main.rs
index f16c7f9077..c0d509264f 100644
--- a/drivers/net/ixgbed/src/main.rs
+++ b/drivers/net/ixgbed/src/main.rs
@@ -19,10 +19,14 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
     let mut name = pci_config.func.name();
     name.push_str("_ixgbe");
 
+    // Allocate one interrupt vector. pcid_interface::pci_allocate_interrupt_vector
+    // prefers MSI-X when the device advertises it and falls back to MSI and
+    // legacy INTX otherwise, so this single line makes the driver work on
+    // every modern 82599/X540/X550 board that has MSI-X wired.
     let irq = pci_config
         .func
-        .legacy_interrupt_line
-        .expect("ixgbed: no legacy interrupts supported");
+        .pci_allocate_interrupt_vector(1)
+        .expect("ixgbed: failed to allocate an interrupt vector");
 
     println!(" + IXGBE {}", pci_config.func.display());
 
@@ -74,9 +78,6 @@ fn daemon(daemon: daemon::Daemon, mut pcid_handle: PciFunctionHandle) -> ! {
                 let mut irq = [0; 8];
                 irq_file.read(&mut irq).unwrap();
                 let ours = scheme.adapter().irq();
-                // The kernel masks the IRQ line on delivery and only re-arms
-                // it on write-back; ack unconditionally or a foreign interrupt
-                // on a shared line leaves the line masked forever.
                 irq_file.write(&mut irq).unwrap();
 
                 if ours {