Update vendoring (#1105)

* Update vendor github.com/sirupsen/logrus@v1.1.1
* Update vendor github.com/coreos/go-systemd/dbus@v17
* Update vendor github.com/golang/protobuf/proto@v1.2.0
* Update vendor github.com/konsorten/go-windows-terminal-sequences@v1.0.1
* Update vendor github.com/mdlayher/...
* Update vendor github.com/prometheus/procfs/...
* Update vendor golang.org/x/...

Signed-off-by: Ben Kochie <superq@gmail.com>

vendor/github.com/mdlayher/genetlink/conn.go

@@ -1,6 +1,8 @@
 package genetlink
 
 import (
+	"syscall"
+
 	"github.com/mdlayher/netlink"
 	"golang.org/x/net/bpf"
 )
@@ -77,6 +79,34 @@ func (c *Conn) SetOption(option netlink.ConnOption, enable bool) error {
 	return c.c.SetOption(option, enable)
 }
 
+// SetReadBuffer sets the size of the operating system's receive buffer
+// associated with the Conn.
+func (c *Conn) SetReadBuffer(bytes int) error {
+	return c.c.SetReadBuffer(bytes)
+}
+
+// SetWriteBuffer sets the size of the operating system's transmit buffer
+// associated with the Conn.
+func (c *Conn) SetWriteBuffer(bytes int) error {
+	return c.c.SetWriteBuffer(bytes)
+}
+
+// SyscallConn returns a raw network connection. This implements the
+// syscall.Conn interface.
+//
+// Only the Control method of the returned syscall.RawConn is currently
+// implemented.
+//
+// SyscallConn is intended for advanced use cases, such as getting and setting
+// arbitrary socket options using the netlink socket's file descriptor.
+//
+// Once invoked, it is the caller's responsibility to ensure that operations
+// performed using Conn and the syscall.RawConn do not conflict with
+// each other.
+func (c *Conn) SyscallConn() (syscall.RawConn, error) {
+	return c.c.SyscallConn()
+}
+
 // Send sends a single Message to netlink, wrapping it in a netlink.Message
 // using the specified generic netlink family and flags.  On success, Send
 // returns a copy of the netlink.Message with all parameters populated, for