I do not see the same behaviour as Johann:
cschuhen@loriel:/tmp$ for i in 1 2 3 4; do curl -s http://de.releases.ubuntu.com/zesty/ubuntu-17.04-server-amd64.img -o $i.iso; md5sum $i.iso; done 4672ce371fb3c1170a9e71bc4b2810b9 1.iso 4672ce371fb3c1170a9e71bc4b2810b9 2.iso 4672ce371fb3c1170a9e71bc4b2810b9 3.iso 4672ce371fb3c1170a9e71bc4b2810b9 4.iso cschuhen@loriel:/tmp$ uname -a Linux loriel 4.10.0-33-generic #37-Ubuntu SMP Fri Aug 11 10:55:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
This is using the port on TB16.
I do not see the same behaviour as Johann:
cschuhen@ loriel: /tmp$ for i in 1 2 3 4; do curl -s http:// de.releases. ubuntu. com/zesty/ ubuntu- 17.04-server- amd64.img -o $i.iso; md5sum $i.iso; done 70a9e71bc4b2810 b9 1.iso 70a9e71bc4b2810 b9 2.iso 70a9e71bc4b2810 b9 3.iso 70a9e71bc4b2810 b9 4.iso loriel: /tmp$ uname -a
4672ce371fb3c11
4672ce371fb3c11
4672ce371fb3c11
4672ce371fb3c11
cschuhen@
Linux loriel 4.10.0-33-generic #37-Ubuntu SMP Fri Aug 11 10:55:28 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
This is using the port on TB16.