diff --git a/metropolis/node/core/network/BUILD.bazel b/metropolis/node/core/network/BUILD.bazel
index 4f5a148..a9a6309 100644
--- a/metropolis/node/core/network/BUILD.bazel
+++ b/metropolis/node/core/network/BUILD.bazel
@@ -4,6 +4,7 @@
     name = "network",
     srcs = [
         "main.go",
+        "quirks.go",
         "static.go",
     ],
     importpath = "source.monogon.dev/metropolis/node/core/network",
@@ -22,6 +23,7 @@
         "@com_github_google_nftables//:nftables",
         "@com_github_google_nftables//expr",
         "@com_github_insomniacslk_dhcp//dhcpv4",
+        "@com_github_mdlayher_ethtool//:ethtool",
         "@com_github_vishvananda_netlink//:netlink",
         "@org_golang_x_sys//unix",
     ],
diff --git a/metropolis/node/core/network/main.go b/metropolis/node/core/network/main.go
index 6532404..f420d55 100644
--- a/metropolis/node/core/network/main.go
+++ b/metropolis/node/core/network/main.go
@@ -220,6 +220,11 @@
 	if err := earlySysctlOpts.Apply(); err != nil {
 		logger.Fatalf("Error configuring early sysctl options: %v", err)
 	}
+
+	if err := applyQuirks(logger); err != nil {
+		logger.Errorf("Applying quirks failed, continuing without: %v", err)
+	}
+
 	// Choose between autoconfig and static config runnables
 	if s.StaticConfig == nil {
 		supervisor.Run(ctx, "dynamic", s.runDynamicConfig)
diff --git a/metropolis/node/core/network/quirks.go b/metropolis/node/core/network/quirks.go
new file mode 100644
index 0000000..6dd5808
--- /dev/null
+++ b/metropolis/node/core/network/quirks.go
@@ -0,0 +1,76 @@
+package network
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/mdlayher/ethtool"
+	"github.com/vishvananda/netlink"
+	"golang.org/x/sys/unix"
+
+	"source.monogon.dev/metropolis/pkg/logtree"
+)
+
+// applyQuirks applies settings to drivers and/or hardware to make it work
+// better (i.e. with less crashes or faster).
+func applyQuirks(l logtree.LeveledLogger) error {
+	ethtoolFd, err := unix.Socket(unix.AF_INET, unix.SOCK_DGRAM, unix.IPPROTO_IP)
+	if err != nil {
+		return fmt.Errorf("while creating IP socket for ethtool: %w", err)
+	}
+	defer unix.Close(ethtoolFd)
+	ethtoolC, err := ethtool.New()
+	if err != nil {
+		return fmt.Errorf("while getting ethtool netlink fd: %w", err)
+	}
+	defer ethtoolC.Close()
+	links, err := netlink.LinkList()
+	if err != nil {
+		return fmt.Errorf("while getting links for applying quirks: %w", err)
+	}
+	for _, link := range links {
+		linkinfo, err := unix.IoctlGetEthtoolDrvinfo(ethtoolFd, link.Attrs().Name)
+		if errors.Is(err, unix.EOPNOTSUPP) {
+			// These are normally software/virtual devices which should never
+			// need quirking.
+			continue
+		} else if err != nil {
+			l.Warningf("Unexpected error during ioctl(ETHTOOL_GDRVINFO) for device %q, skipping quirks: %v", link.Attrs().Name, err)
+			continue
+		}
+		driver := unix.ByteSliceToString(linkinfo.Driver[:])
+		firmwareVersion := strings.TrimSpace(unix.ByteSliceToString(linkinfo.Fw_version[:]))
+		opromVersion := strings.TrimSpace(unix.ByteSliceToString(linkinfo.Erom_version[:]))
+
+		// Log firmware version of all NICs which have one as we have currently
+		// no better way of accessing these.
+		if firmwareVersion != "" {
+			if opromVersion != "" {
+				l.Infof("Interface %q (driver %v) has firmware version %q with Option ROM version %q", link.Attrs().Name, driver, firmwareVersion, opromVersion)
+			}
+			l.Infof("Interface %q (driver %v) has firmware version %q", link.Attrs().Name, driver, firmwareVersion)
+		}
+
+		switch driver {
+		case "i40e":
+			err := ethtoolC.SetPrivateFlags(ethtool.PrivateFlags{
+				Interface: ethtool.Interface{Index: link.Attrs().Index},
+				Flags: map[string]bool{
+					// Disable firmware-based LLDP processing as it both makes
+					// LLDP unavailable to the OS as well as being suspected of
+					// causing fimware crashes. Metropolis currently does not
+					// have DCB support anyway and if it gains such support it
+					// will proccess the LLDP packets for that in userspace.
+					"disable-fw-lldp": true,
+				},
+			})
+			if err != nil {
+				l.Warningf("Error when applying quirk for LLDP firmware processing to %q: %v", link.Attrs().Name, err)
+			} else {
+				l.Infof("Applied LLDP firmware processing quirk to %q", link.Attrs().Name)
+			}
+		}
+	}
+	return nil
+}