A similar issue is also happening with bionic/linux-hwe:
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-bionic/bionic/arm64/l/linux-hwe/20190327_130612_309fc@/log.gz
A similar issue is also happening with bionic/linux-hwe:
https:/ /objectstorage. prodstack4- 5.canonical. com/v1/ AUTH_77e2ada1e7 a84929a74ba3b87 153c0ac/ autopkgtest- bionic/ bionic/ arm64/l/ linux-hwe/ 20190327_ 130612_ 309fc@/ log.gz