f-29: watchdog: add checkvpc #29

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/netif/link.go

@@ -0,0 +1,15 @@
+package netif
+
+import (
+	"net"
+
+	"github.com/vishvananda/netlink"
+)
+
+func LinkIsUp(name string) (bool, error) {
+	link, err := netlink.LinkByName(name)
+	if err != nil {
+		return false, err
+	}
+	return link.Attrs().Flags&net.FlagUp != 0, nil
+}