The issue in #30 looks an infrastructure issue to me.
Err:1 http://ftpmaster.internal/ubuntu bionic-updates/main armhf libseccomp2 armhf 2.4.3-1ubuntu3.18.04.2 Could not connect to ftpmaster.internal:80 (91.189.89.99), connection timed out
The issue in #30 looks an infrastructure issue to me.
Err:1 http:// ftpmaster. internal/ ubuntu bionic-updates/main armhf libseccomp2 armhf 2.4.3-1ubuntu3. 18.04.2 internal: 80 (91.189.89.99), connection timed out
Could not connect to ftpmaster.