pkg updateができません。FreeBSD ほげほげ 11.0-RELEASE-p1 FreeBSD 11.0-RELEASE-p1 #0 r306420: Thu Sep 29 13:01:42 UTC 2016 root@releng2.nyi.freebsd.org:/usr/obj/arm.armv6/usr/src/sys/RPI2 arm です。

# pkg update
pkg: Warning: Major OS version upgrade detected. Running "pkg-static install -f pkg" recommended
Updating FreeBSD repository catalogue...
Fetching meta.txz: 100% 944 B 0.9kB/s 00:01
Fetching packagesite.txz: 100% 4 MiB 324.7kB/s 00:14
pkg: rsa verify failed: error:04091077:rsa routines:INT_RSA_VERIFY:wrong signature length
pkg: No trusted certificate has been used to sign the repository