Devices offline about redroid-doc HOT 6 CLOSED

user@pc:~$ sudo apt-get install -y git kmod make gcc linux-headers-`uname -r`
Reading package lists... Done
Building dependency tree       
Reading state information... Done
gcc is already the newest version (4:9.3.0-1ubuntu2).
kmod is already the newest version (27-1ubuntu2).
make is already the newest version (4.2.1-1.2).
git is already the newest version (1:2.25.1-1ubuntu3.1).
linux-headers-5.4.0-80-generic is already the newest version (5.4.0-80.90).
0 upgraded, 0 newly installed, 0 to remove and 30 not upgraded.
user@pc:~$ 
user@pc:~$ lsmod | grep -e ashmem_linux -e binder_linux
binder_linux          180224  0
ashmem_linux           20480  0
user@pc:~$ grep binder /proc/filesystems
nodev	binder
user@pc:~$ grep ashmem /proc/misc
 58 ashmem

user@pc:~$ adb connect 127.0.0.1:5555
failed to connect to 127.0.0.1:5555
user@pc:~$ adb connect 127.0.0.1:5555
already connected to 127.0.0.1:5555
user@pc:~$ adb devices
List of devices attached
4d00427a4c2f3101	device
127.0.0.1:5555	offline
user@pc:~$ 

user@pc:~$ sudo docker exec 5184d75c97ce ps -A
    PID TTY          TIME CMD
      1 pts/0    00:00:00 bash
   2848 pts/1    00:00:00 sh
   3896 ?        00:00:00 ps

user@pc:~$ sudo docker exec 5184d75c97ce logcat
OCI runtime exec failed: exec failed: container_linux.go:380: starting container process caused: exec: "logcat": executable file not found in $PATH: unknown

user@pc:~$ adb devices
List of devices attached
4d00427a4c2f3101	device
127.0.0.1:5555	device
emulator-5554	device
user@pc:~$