Revert "Always send a -HUP to dhcp6c in interfaces_track6_configure for DHCP6 WAN types. Doing so isn't any more disruptive than what it's already doing, and that ensures track6 interfaces don't lose their IPv6 IPs. Ticket #5945"
This reverts commit 471b81f8f7b0a5fe22019aed955e5374e3411dbf.
Related issues
Bug #5945: save and apply on interfaces.php removes v6 IP from track6 interfaces
Revert "Always send a -HUP to dhcp6c in interfaces_track6_configure for DHCP6 WAN types. Doing so isn't any more disruptive than what it's already doing, and that ensures track6 interfaces don't lose their IPv6 IPs. Ticket #5945"
This reverts commit 471b81f8f7b0a5fe22019aed955e5374e3411dbf.