jmgao@exia:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether f4:ce:23:eb:f5:37 brd ff:ff:ff:ff:ff:ff
jmgao@exia:~$ sudo ip addr del ::1 dev lo
jmgao@exia:~$ ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
2: wlp0s20f3: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether f4:ce:23:eb:f5:37 brd ff:ff:ff:ff:ff:ff
jmgao@exia:~$ LD_LIBRARY_PATH=~/.android/sdk/emulator/lib64:~/.android/sdk/emulator/lib64/qt:~/.android/sdk/emulator/lib64/qt/lib ~/.android/sdk/emulator/emulator -avd Lenovo_ThinkBook_Plus_Gen_3_API_33 -show-kernel
INFO    | Android emulator version 31.3.15.0 (build_id 9456632) (CL:N/A)
emulator: INFO: Found systemPath /home/jmgao/.android/sdk/system-images/android-33/google_apis_playstore/x86_64/
INFO    | Duplicate loglines will be removed, if you wish to see each indiviudal line launch with the -log-nofilter flag.
INFO    | Warning: Could not find the Qt platform plugin "wayland" in "/home/jmgao/.android/sdk/emulator/lib64/qt/plugins" ((null):0, (null))

WARNING | cannot add library /home/jmgao/.android/sdk/emulator/qemu/linux-x86_64/lib64/vulkan/libvulkan.so: failed
INFO    | added library /home/jmgao/.android/sdk/emulator/lib64/vulkan/libvulkan.so
INFO    | configAndStartRenderer: setting vsync to 60 hz
INFO    | Sending adb public key [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 jmgao@unknown]
INFO    | injectedQemuChannel!
INFO    | Informing listeners of injection.
INFO    | Rootcanal has  been activated.
qemu-system-x86_64: -chardev socket,port=40409,host=127.0.0.1,nowait,nodelay,ipv4,id=modem: address resolution failed for 127.0.0.1:40409: Name or service not known
^C^Z