curl with -v parameter writes many 'Expire in 200 ms for 1 (transfer 0x55e0729015c0)'

This is a known issue
https://www.linuxquestions.org/questions/slackware-14/curl-expire-in-1-ms-for-1-transfer-0xa5a060-4175649204/

The fix has already been released, just include the new version of curl into the distribution.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: curl 7.64.0-2ubuntu1.1
ProcVersionSignature: Ubuntu 5.0.0-25.26-generic 5.0.18
Uname: Linux 5.0.0-25-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Thu Aug 22 19:22:39 2019
EcryptfsInUse: Yes
InstallationDate: Installed on 2018-01-06 (592 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
SourcePackage: curl
UpgradeStatus: Upgraded to disco on 2019-07-25 (27 days ago)