Termux-Ubuntu Trouble Shoot#1(groups: cannot find name for group ID xxxxx)

Termux-Ubuntu Trouble Shoot#1(groups: cannot find name for group ID xxxxx)

1.現象
ubuntuに入るときに以下のエラーメッセージが出る：
groups: cannot find name for group ID 3003
groups: cannot find name for group ID 9997
groups: cannot find name for group ID 50111

2.解決方法
擬似rootで/etc/bash.bashrcを以下のように一部をコメントアウトする；

nano /etc/bash.bashrc

以下、コメントアウトする部分:
========================================
# sudo hint
##if [ ! -e "$HOME/.sudo_as_admin_successful" ] && [ ! -e "$HOME/.hushlogin" ] ; then
## case " $(groups) " in *\ admin\ *|*\ sudo\ *)
## if [ -x /usr/bin/sudo ]; then
## cat <<-EOF
## To run a command as administrator (user "root"), use "sudo ".
## See "man sudo_root" for details.
##
## EOF
## fi
## esac
##fi
========================================

3.参考URL
https://askubuntu.com/questions/463349/groups-cannot-find-name-for-group-id
groups: cannot find name for group ID #########

以上