No new privileges

sudo: The "no new privileges" flag is set, which prevents sudo from running as root.
sudo: If sudo is running in a container, you may need to adjust the container configuration to disable the flag.

kubectl debug

See also

• sudo, visudo, su, passwd, sudo su, Passwordless sudo, /etc/sudoers, /etc/sudoers.d/, /etc/sudoers, sudo --help