diff --git a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
index fe5d462..c8b4510 100644
--- a/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
+++ b/vendor/golang.org/x/sys/unix/zsyscall_linux_386.go
@@ -14,27 +14,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func FanotifyInit(flags uint, event_f_flags uint) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_FANOTIFY_INIT, uintptr(flags), uintptr(event_f_flags), 0)
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func fanotifyMark(fd int, flags uint, mask uint64, dirFd int, pathname *byte) (err error) {
-	_, _, e1 := Syscall6(SYS_FANOTIFY_MARK, uintptr(fd), uintptr(flags), uintptr(mask), uintptr(mask>>32), uintptr(dirFd), uintptr(unsafe.Pointer(pathname)))
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func fchmodat(dirfd int, path string, mode uint32) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -305,36 +284,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(keyType)
-	if err != nil {
-		return
-	}
-	var _p1 *byte
-	_p1, err = BytePtrFromString(restriction)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_KEYCTL, uintptr(cmd), uintptr(arg2), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), 0, 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func keyctlRestrictKeyring(cmd int, arg2 int) (err error) {
-	_, _, e1 := Syscall(SYS_KEYCTL, uintptr(cmd), uintptr(arg2), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func ptrace(request int, pid int, addr uintptr, data uintptr) (err error) {
 	_, _, e1 := Syscall6(SYS_PTRACE, uintptr(request), uintptr(pid), uintptr(addr), uintptr(data), 0, 0)
 	if e1 != 0 {
@@ -438,26 +387,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func Capget(hdr *CapUserHeader, data *CapUserData) (err error) {
-	_, _, e1 := Syscall(SYS_CAPGET, uintptr(unsafe.Pointer(hdr)), uintptr(unsafe.Pointer(data)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func Capset(hdr *CapUserHeader, data *CapUserData) (err error) {
-	_, _, e1 := Syscall(SYS_CAPSET, uintptr(unsafe.Pointer(hdr)), uintptr(unsafe.Pointer(data)), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func Chdir(path string) (err error) {
 	var _p0 *byte
 	_p0, err = BytePtrFromString(path)
@@ -1431,12 +1360,8 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func signalfd(fd int, sigmask *Sigset_t, maskSize uintptr, flags int) (newfd int, err error) {
-	r0, _, e1 := Syscall6(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(sigmask)), uintptr(maskSize), uintptr(flags), 0, 0)
-	newfd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
+func Signalfd(fd int, mask *Sigset_t, flags int) {
+	SyscallNoError(SYS_SIGNALFD4, uintptr(fd), uintptr(unsafe.Pointer(mask)), uintptr(flags))
 	return
 }
 
@@ -1733,32 +1658,6 @@
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
-func nameToHandleAt(dirFD int, pathname string, fh *fileHandle, mountID *_C_int, flags int) (err error) {
-	var _p0 *byte
-	_p0, err = BytePtrFromString(pathname)
-	if err != nil {
-		return
-	}
-	_, _, e1 := Syscall6(SYS_NAME_TO_HANDLE_AT, uintptr(dirFD), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(fh)), uintptr(unsafe.Pointer(mountID)), uintptr(flags), 0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
-func openByHandleAt(mountFD int, fh *fileHandle, flags int) (fd int, err error) {
-	r0, _, e1 := Syscall(SYS_OPEN_BY_HANDLE_AT, uintptr(mountFD), uintptr(unsafe.Pointer(fh)), uintptr(flags))
-	fd = int(r0)
-	if e1 != 0 {
-		err = errnoErr(e1)
-	}
-	return
-}
-
-// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
-
 func pipe(p *[2]_C_int) (err error) {
 	_, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0)
 	if e1 != 0 {