After the interface is removed from bond its IPv6 link-local address is gone.
```
vyos@vyos# show interfaces bonding
bonding bond0 {ip a show dev eth1
member {3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
interface eth1link/ether 0c:e6:b1:a1:bd:01 brd ff:ff:ff:ff:ff:ff
}inet6 fe80::ee6:b1ff:fea1:bd01/64 scope link tentative
valid_lft forever preferred_lft forever
-------------------------------------------------------------------------------
[edit]
}vyos@vyos# set interfaces bonding bond0 member interface eth1
-------------------------------------------------------------------------------
[edit]
vyos@vyos# compare
[edit interfaces bonding bond0 member]
+interface eth1
[edit]
-------------------------------------------------------------------------------
vyos@vyos# commit
[edit]
-------------------------------------------------------------------------------
vyos@vyos# ip a show dev eth1
3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,SLAVE,UP> mtu 1500 qdisc pfifo_fast master bond0 state DOWN group default qlen 1000
link/ether 0c:e6:b1:4e:f5:01a1:bd:00 brd ff:ff:ff:ff:ff:ff
-------------------------------------------------------------------------------
[edit]
vyos@vyos# delete interfaces bonding bond0 member interface eth1
-------------------------------------------------------------------------------
[edit]
vyos@vyos# delete interfaces bondingcompare
[edit interfaces bonding bond0 member]
-interface eth1
-------------------------------------------------------------------------------
[edit]
vyos@vyos# commit
-------------------------------------------------------------------------------
[edit]
vyos@vyos# ip a show dev eth1
3: eth1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether 0c:e6:b1:4e:f5a1:bd:01 brd ff:ff:ff:ff:ff:ff
```