[BUG] Dell OS10: Interface BGP sessions don't work in VRF

[ipspace]

Looks like we still have the problem with the unnumbered EBGP template :( This time, it seems the template is missing.

• Test topology: https://github.com/ipspace/netlab/blob/dev/tests/integration/vrf/14-multi-vrf-unnumbered.yml
• Validation results: https://tests.netlab.tools/dellos10/libvirt/vrf/14-multi-vrf-unnumbered.yml-initial.log