const syscall.EOPNOTSUPP

5 uses

	syscall (current package)
		syscall_linux.go#L252: 		return EOPNOTSUPP
		syscall_unix.go#L127: 		return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
		zerrors_linux_amd64.go#L1284: 	EOPNOTSUPP      = Errno(0x5f)

	internal/poll
		copy_file_range_linux.go#L54: 		case syscall.EXDEV, syscall.EINVAL, syscall.EIO, syscall.EOPNOTSUPP, syscall.EPERM:

	net
		mptcpsock_linux.go#L103: 	return err == syscall.EOPNOTSUPP || err == syscall.ENOPROTOOPT