logilab-packaging #298345 two lgp builds in parallel explode due to mock buildroot sharing [validation pending]

prioritynormal
typebug
done in1.2.0
load0.500
load left0.000
closed by#4187f20d7949 Tell mock to use a "unique" buildroot (closes #298345)
patchTell mock to use a "unique" buildroot (closes #298345) [applied]