Strange curl behaviour with dns resolution/ debian template VS fedora

[solene]

Use qvm-features --unset qube-name ipv6

Sys-whonix does not connect anymore

Mystery solved! There is a Qubes OS bug Setting qvm-features sys-net ipv6 1 creates troubles in sys-whonix like eth0 not being up, and not having route. However, setting qvm-features sys-net ipv6 0 does solve nothing, one must use qvm-features --unset sys-net ipv6 to really revert the ipv6 setting.