diff --git a/sys/dev/bnxt/if_bnxt.c b/sys/dev/bnxt/if_bnxt.c
--- a/sys/dev/bnxt/if_bnxt.c
+++ b/sys/dev/bnxt/if_bnxt.c
@@ -224,6 +224,7 @@
 static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link);
 static void bnxt_get_wol_settings(struct bnxt_softc *softc);
 static int bnxt_wol_config(if_ctx_t ctx);
+static bool bnxt_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 /*
  * Device Interface Declaration
@@ -288,6 +289,8 @@
 	DEVMETHOD(ifdi_shutdown, bnxt_shutdown),
 	DEVMETHOD(ifdi_resume, bnxt_resume),
 
+	DEVMETHOD(ifdi_needs_restart, bnxt_if_needs_restart),
+
 	DEVMETHOD_END
 };
 
@@ -2497,6 +2500,16 @@
 	return 0;
 }
 
+static bool
+bnxt_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+	default:
+		return (false);
+	}
+}
+
 static int
 bnxt_shutdown(if_ctx_t ctx)
 {
diff --git a/sys/dev/e1000/if_em.c b/sys/dev/e1000/if_em.c
--- a/sys/dev/e1000/if_em.c
+++ b/sys/dev/e1000/if_em.c
@@ -4383,7 +4383,7 @@
  * @ctx: iflib context
  * @event: event code to check
  *
- * Defaults to returning true for unknown events.
+ * Defaults to returning false for unknown events.
  *
  * @returns true if iflib needs to reinit the interface
  */
@@ -4392,9 +4392,8 @@
 {
 	switch (event) {
 	case IFLIB_RESTART_VLAN_CONFIG:
-		return (false);
 	default:
-		return (true);
+		return (false);
 	}
 }
 
diff --git a/sys/dev/enetc/if_enetc.c b/sys/dev/enetc/if_enetc.c
--- a/sys/dev/enetc/if_enetc.c
+++ b/sys/dev/enetc/if_enetc.c
@@ -96,6 +96,7 @@
 static void	enetc_setup_multicast(if_ctx_t);
 static void	enetc_timer(if_ctx_t, uint16_t);
 static void	enetc_update_admin_status(if_ctx_t);
+static bool	enetc_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 static miibus_readreg_t		enetc_miibus_readreg;
 static miibus_writereg_t	enetc_miibus_writereg;
@@ -202,6 +203,8 @@
 	DEVMETHOD(ifdi_timer,			enetc_timer),
 	DEVMETHOD(ifdi_update_admin_status,	enetc_update_admin_status),
 
+	DEVMETHOD(ifdi_needs_restart,		enetc_if_needs_restart),
+
 	DEVMETHOD_END
 };
 
@@ -1410,6 +1413,16 @@
 	}
 }
 
+static bool
+enetc_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+	default:
+		return (false);
+	}
+}
+
 static int
 enetc_miibus_readreg(device_t dev, int phy, int reg)
 {
diff --git a/sys/dev/enic/if_enic.c b/sys/dev/enic/if_enic.c
--- a/sys/dev/enic/if_enic.c
+++ b/sys/dev/enic/if_enic.c
@@ -117,6 +117,7 @@
     int (*) (struct vnic_dev *, int *), int arg);
 static int enic_map_bar(struct enic_softc *, struct enic_bar_info *, int, bool);
 static void enic_update_packet_filter(struct enic *enic);
+static bool enic_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 typedef enum {
 	ENIC_BARRIER_RD,
@@ -174,6 +175,8 @@
 	DEVMETHOD(ifdi_intr_disable, enic_intr_disable_all),
 	DEVMETHOD(ifdi_msix_intr_assign, enic_msix_intr_assign),
 
+	DEVMETHOD(ifdi_needs_restart, enic_if_needs_restart),
+
 	DEVMETHOD_END
 };
 
@@ -1564,6 +1567,16 @@
 	ENIC_UNLOCK(softc);
 }
 
+static bool
+enic_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+	default:
+		return (false);
+	}
+}
+
 int
 enic_setup_finish(struct enic *enic)
 {
diff --git a/sys/dev/iavf/if_iavf_iflib.c b/sys/dev/iavf/if_iavf_iflib.c
--- a/sys/dev/iavf/if_iavf_iflib.c
+++ b/sys/dev/iavf/if_iavf_iflib.c
@@ -74,6 +74,7 @@
 static uint64_t	 iavf_if_get_counter(if_ctx_t ctx, ift_counter cnt);
 static void	 iavf_if_init(if_ctx_t ctx);
 static void	 iavf_if_stop(if_ctx_t ctx);
+static bool	 iavf_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 static int	iavf_allocate_pci_resources(struct iavf_sc *);
 static void	iavf_free_pci_resources(struct iavf_sc *);
@@ -169,6 +170,7 @@
 	DEVMETHOD(ifdi_vlan_register, iavf_if_vlan_register),
 	DEVMETHOD(ifdi_vlan_unregister, iavf_if_vlan_unregister),
 	DEVMETHOD(ifdi_get_counter, iavf_if_get_counter),
+	DEVMETHOD(ifdi_needs_restart, iavf_if_needs_restart),
 	DEVMETHOD_END
 };
 
@@ -1497,6 +1499,25 @@
 	}
 }
 
+/* iavf_if_needs_restart - Tell iflib when the driver needs to be reinitialized
+ * @ctx: iflib context
+ * @event: event code to check
+ *
+ * Defaults to returning false for unknown events.
+ *
+ * @returns true if iflib needs to reinit the interface
+ */
+static bool
+iavf_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+		return (true);
+	default:
+		return (false);
+	}
+}
+
 /**
  * iavf_free_pci_resources - Free PCI resources
  * @sc: device softc
diff --git a/sys/dev/ice/if_ice_iflib.c b/sys/dev/ice/if_ice_iflib.c
--- a/sys/dev/ice/if_ice_iflib.c
+++ b/sys/dev/ice/if_ice_iflib.c
@@ -83,6 +83,7 @@
 static int ice_if_i2c_req(if_ctx_t ctx, struct ifi2creq *req);
 static int ice_if_suspend(if_ctx_t ctx);
 static int ice_if_resume(if_ctx_t ctx);
+static bool ice_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 static int ice_msix_que(void *arg);
 static int ice_msix_admin(void *arg);
@@ -170,6 +171,7 @@
 	DEVMETHOD(ifdi_i2c_req, ice_if_i2c_req),
 	DEVMETHOD(ifdi_suspend, ice_if_suspend),
 	DEVMETHOD(ifdi_resume, ice_if_resume),
+	DEVMETHOD(ifdi_needs_restart, ice_if_needs_restart),
 	DEVMETHOD_END
 };
 
@@ -3077,3 +3079,21 @@
 	return (0);
 }
 
+/* ice_if_needs_restart - Tell iflib when the driver needs to be reinitialized
+ * @ctx: iflib context
+ * @event: event code to check
+ *
+ * Defaults to returning false for unknown events.
+ *
+ * @returns true if iflib needs to reinit the interface
+ */
+static bool
+ice_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+	default:
+		return (false);
+	}
+}
+
diff --git a/sys/dev/igc/if_igc.c b/sys/dev/igc/if_igc.c
--- a/sys/dev/igc/if_igc.c
+++ b/sys/dev/igc/if_igc.c
@@ -2402,7 +2402,7 @@
  * @ctx: iflib context
  * @event: event code to check
  *
- * Defaults to returning true for unknown events.
+ * Defaults to returning false for unknown events.
  *
  * @returns true if iflib needs to reinit the interface
  */
@@ -2411,9 +2411,8 @@
 {
 	switch (event) {
 	case IFLIB_RESTART_VLAN_CONFIG:
-		return (false);
 	default:
-		return (true);
+		return (false);
 	}
 }
 
diff --git a/sys/dev/ixgbe/if_ix.c b/sys/dev/ixgbe/if_ix.c
--- a/sys/dev/ixgbe/if_ix.c
+++ b/sys/dev/ixgbe/if_ix.c
@@ -1256,7 +1256,7 @@
  * @ctx: iflib context
  * @event: event code to check
  *
- * Defaults to returning true for unknown events.
+ * Defaults to returning false for unknown events.
  *
  * @returns true if iflib needs to reinit the interface
  */
@@ -1265,9 +1265,8 @@
 {
 	switch (event) {
 	case IFLIB_RESTART_VLAN_CONFIG:
-		return (false);
 	default:
-		return (true);
+		return (false);
 	}
 }
 
diff --git a/sys/dev/mgb/if_mgb.c b/sys/dev/mgb/if_mgb.c
--- a/sys/dev/mgb/if_mgb.c
+++ b/sys/dev/mgb/if_mgb.c
@@ -251,6 +251,7 @@
 	 */
 	DEVMETHOD(ifdi_vlan_register, mgb_vlan_register),
 	DEVMETHOD(ifdi_vlan_unregister, mgb_vlan_unregister),
+	DEVMETHOD(ifdi_needs_restart, mgb_if_needs_restart),
 
 	/*
 	 * Needed for WOL support
diff --git a/sys/dev/vmware/vmxnet3/if_vmx.c b/sys/dev/vmware/vmxnet3/if_vmx.c
--- a/sys/dev/vmware/vmxnet3/if_vmx.c
+++ b/sys/dev/vmware/vmxnet3/if_vmx.c
@@ -180,6 +180,7 @@
 static void	vmxnet3_disable_intr(struct vmxnet3_softc *, int);
 static void	vmxnet3_intr_enable_all(if_ctx_t);
 static void	vmxnet3_intr_disable_all(if_ctx_t);
+static bool	vmxnet3_if_needs_restart(if_ctx_t, enum iflib_restart_event);
 
 typedef enum {
 	VMXNET3_BARRIER_RD,
@@ -247,6 +248,8 @@
 	DEVMETHOD(ifdi_suspend, vmxnet3_suspend),
 	DEVMETHOD(ifdi_resume, vmxnet3_resume),
 
+	DEVMETHOD(ifdi_needs_restart, vmxnet3_if_needs_restart),
+
 	DEVMETHOD_END
 };
 
@@ -2505,6 +2508,17 @@
 		vmxnet3_disable_intr(sc, i);
 }
 
+static bool
+vmxnet3_if_needs_restart(if_ctx_t ctx __unused, enum iflib_restart_event event)
+{
+	switch (event) {
+	case IFLIB_RESTART_VLAN_CONFIG:
+		return (true);
+	default:
+		return (false);
+	}
+}
+
 /*
  * Since this is a purely paravirtualized device, we do not have
  * to worry about DMA coherency. But at times, we must make sure
diff --git a/sys/net/ifdi_if.m b/sys/net/ifdi_if.m
--- a/sys/net/ifdi_if.m
+++ b/sys/net/ifdi_if.m
@@ -115,7 +115,7 @@
 	static bool
 	null_needs_restart(if_ctx_t _ctx __unused, enum iflib_restart_event _event __unused)
 	{
-		return (true);
+		return (false);
 	}
 };