Feature coverage: Initial configuration

Device Interfaces Loopbacks Unnumbered IPv4/IPv6 PMTUD
arubacx/libvirt caveat ✖️
cat8000v/libvirt
csr/libvirt
cumulus/libvirt
dellos10/libvirt
eos/clab
frr/clab
iol/clab ✖️
ioll2/clab ✖️
iosv/libvirt ✖️
iosvl2/libvirt ✖️
nxos/libvirt
routeros7/libvirt ✖️
sonic/libvirt
srlinux/clab
vjunos-switch/clab ✖️
vptx/libvirt ✖️
vyos/libvirt