想要通过 DDC/CI 修改外接显示器亮度，安装了玲珑应用的 gddccontrol，在 Deepin 25 Beta 能用，但是正式版无法启动，以下是命令行启动：

$ ll-cli run gddccontrol.linyaps
open /dev/ptmx: no such file or directory
Error: CODE=-1
./libs/linglong/src/linglong/runtime/container.cpp:272 run container becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d: cli run: run command failed: /usr/bin/ll-box --cgroup-manager=disabled run -b /run/user/1000/linglong/becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d retval=256ll-cli run gddccontrol.linyaps
open /dev/ptmx: no such file or directory
Error: CODE=-1
./libs/linglong/src/linglong/runtime/container.cpp:272 run container becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d: cli run: run command failed: /usr/bin/ll-box --cgroup-manager=disabled run -b /run/user/1000/linglong/becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d becd4807b8d7ec50ed97d30c336a96570adb08e05704c6c399b3ecd3bfd62f5d retval=256