root@tda4vm-sk:~/edgeai-tidl-tools/dockers/J721E/ubuntu_18.04# ./docker_build.sh
Sending build context to Docker daemon  27.14kB
Step 1/18 : ARG REPO_LOCATION='arm64v8'
Step 2/18 : FROM ${REPO_LOCATION}ubuntu:18.04 as edgeai_tidl_tools_u18
 ---> c1adc1968c7b
Step 3/18 : ARG DEBIAN_FRONTEND=noninteractive
 ---> Using cache
 ---> 607eefe811a4
Step 4/18 : ARG NPROC=1
 ---> Using cache
 ---> 91dbd0d6bab2
Step 5/18 : ARG PROJECT_NAME=edgeai_tidl_tools_u18
 ---> Using cache
 ---> 438b9dcff780
Step 6/18 : ENV USE_PROXY=ti
 ---> Using cache
 ---> f83bd2da5d87
Step 7/18 : ADD entrypoint.sh setup_proxy.sh  /usr/bin/
 ---> Using cache
 ---> bbeee5c1ff00
Step 8/18 : RUN /usr/bin/setup_proxy.sh
 ---> Using cache
 ---> 23d25ee39b41
Step 9/18 : RUN apt-get update -y && apt-get dist-upgrade -y && apt-get install -y     glib-2.0-dev     ncurses-dev
 ---> Running in d25ab7c7f436
Err:1 http://ports.ubuntu.com/ubuntu-ports bionic InRelease
  Could not connect to 192.91.66.131:80 (192.91.66.131), connection timed out
Err:2 http://ports.ubuntu.com/ubuntu-ports bionic-updates InRelease
  Unable to connect to 192.91.66.131:80:
Err:3 http://ports.ubuntu.com/ubuntu-ports bionic-backports InRelease
  Unable to connect to 192.91.66.131:80:
Err:4 http://ports.ubuntu.com/ubuntu-ports bionic-security InRelease
  Unable to connect to 192.91.66.131:80:
Reading package lists...
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic/InRelease  Could not connect to 192.91.66.131:80 (192.91.66.131), connection timed out
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-updates/InRelease  Unable to connect to 192.91.66.131:80:
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-backports/InRelease  Unable to connect to 192.91.66.131:80:
W: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/dists/bionic-security/InRelease  Unable to connect to 192.91.66.131:80:
W: Some index files failed to download. They have been ignored, or old ones used instead.
Reading package lists...
Building dependency tree...
Reading state information...
Calculating upgrade...
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Reading package lists...
Building dependency tree...
Reading state information...
E: Unable to locate package glib-2.0-dev
E: Couldn't find any package by glob 'glib-2.0-dev'
E: Couldn't find any package by regex 'glib-2.0-dev'
E: Unable to locate package ncurses-dev
The command '/bin/sh -c apt-get update -y && apt-get dist-upgrade -y && apt-get install -y     glib-2.0-dev     ncurses-dev' returned a non-zero code: 100