Hi. I found the "reason" this fails for me.
By default, debian-installer creates a /etc/hosts file with lines like these: # The following lines are desirable for IPv6 capable hosts ::1 localhost ip6-localhost ip6-loopback ff02::1 ip6-allnodes ff02::2 ip6-allrouters This is regardless of the machine having IPv6 connectivity or not Apparently, the "fabric" package FTBFS if you have those lines but not real IPv6 connectivity. Therefore, to reproduce, please try building on a machine with those lines in /etc/hosts but without IPv6. Being this the reason for the failure, any previous estimation of "probability of failure" is bogus and should of course be ignored completely. This was not really random after all. When it fails, it always fails, when it does not fail, it never fails. BTW: This is at least the second bug of this kind which I found. IMHO, the default configuration should not make packages to FTBFS on machines not having IPv6. Thanks.
