I've encountered this failure, too:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/amd64/libv/libvirt/20201109_214647_148b5@/log.gz
I've encountered this failure, too:
https:/ /objectstorage. prodstack4- 5.canonical. com/v1/ AUTH_77e2ada1e7 a84929a74ba3b87 153c0ac/ autopkgtest- bionic/ bionic/ amd64/libv/ libvirt/ 20201109_ 214647_ 148b5@/ log.gz