Red Hat Satellite 6.3 upgrade fails with dependency errors.

Issue

• Red Hat Satellite 6.3 upgrade-check completes successfully while the upgrade fails with dependency errors.

# foreman-maintain upgrade run --target-version 6.3 
Error: Package: foreman-bootloaders-redhat-tftpboot-201801241201-2.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
           Requires: /var/lib/tftpboot
Error: Package: foreman-bootloaders-redhat-201801241201-2.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
           Requires: shim-ia32
Error: Package: python-pulp-agent-lib-2.8.7.18-1.el7sat.noarch (@rhel-7-server-satellite-6.2-rpms)
           Requires: python-pulp-common = 2.8.7.18
           Removing: python-pulp-common-2.8.7.18-1.el7sat.noarch (@rhel-7-server-satellite-6.2-rpms)
               python-pulp-common = 2.8.7.18-1.el7sat
           Updated By: python-pulp-common-2.13.4.9-1.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
               python-pulp-common = 2.13.4.9-1.el7sat
           Available: python-pulp-common-2.13.4.6-1.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
               python-pulp-common = 2.13.4.6-1.el7sat
.
.
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Error: Package: foreman-bootloaders-redhat-201801241201-2.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
           Requires: grub2-efi-x64-modules
Error: Package: foreman-bootloaders-redhat-201801241201-2.el7sat.noarch (rhel-7-server-satellite-6.3-rpms)
           Requires: grub2-efi-ia32-modules
Error: Package: rubygem-rkerberos-0.1.3-5.el7sat.x86_64 (rhel-7-server-satellite-6.3-rpms)
           Requires: libkadm5clnt_mit.so.11(kadm5clnt_mit_11_MIT)(64bit)
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest
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