So I've made some headway on this.
The default LLDPD running is
lldpd -L /usr/sbin/lldpcli -I eth2,eth1,eth5,eth6,eth7,wl1.2,wds0.*.*,wds1.*.* -s RT-AX86U
... and thinking now bond0/br0 are no no's (thank you btw) why the order above is/was selected considering I have two ports in LAG.
Guess...