Error response from daemon: Get "https://registry-1.docker.io/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

문제 상황

Docker pull 명령어를 사용하는데 다음과 같은 오류 코드가 발생하였다.

Error response from daemon: Get "https://registry-1.docker.io/v2/": net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)

해결 방안

sudo pkill -SIGHUP dockerd

sudo systemctl start docker