Bumping k8s dependencies to 1.13

vendor/golang.org/x/net/ipv4/packet.go

@@ -6,7 +6,6 @@ package ipv4
 
 import (
 	"net"
-	"syscall"
 
 	"golang.org/x/net/internal/socket"
 )
@@ -28,7 +27,7 @@ func (c *packetHandler) ok() bool { return c != nil && c.IPConn != nil && c.Conn
 // header h, the payload p and the control message cm.
 func (c *packetHandler) ReadFrom(b []byte) (h *Header, p []byte, cm *ControlMessage, err error) {
 	if !c.ok() {
-		return nil, nil, nil, syscall.EINVAL
+		return nil, nil, nil, errInvalidConn
 	}
 	return c.readFrom(b)
 }
@@ -63,7 +62,7 @@ func slicePacket(b []byte) (h, p []byte, err error) {
 //	Options       = optional
 func (c *packetHandler) WriteTo(h *Header, p []byte, cm *ControlMessage) error {
 	if !c.ok() {
-		return syscall.EINVAL
+		return errInvalidConn
 	}
 	return c.writeTo(h, p, cm)
 }