(HBL) TOS6.0 breaks IPv6 TCP connectivity

My setup is losing IPv6 packets. See the wireshark dump. This does not affect IPv4 services. I have bridge VLAN filtering enabled, with VLANs 1,10,255,2006. MY laptop is connected to the VLAN 1 access port LAN3

/etc/config/network

config interface 'loopback'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'
	option device 'lo'

config globals 'globals'
	option ula_prefix 'fd19:2:168:0::/48'

config interface 'lan'
	option proto 'static'
	option ip6assign '64'
	list ipaddr '192.168.23.1/24'
	option ip6hint 'a'
	option ip6ifaceid '::23:1'
	option device 'br-lan.1'

config interface 'wan'
	option proto 'dhcp'
	option ipv6 '1'
	option device 'eth2'
	option hostname 'hagridovo'
	option clientid '0004eae62f0920dd43deadface38fcbd32a5'

config interface 'wan6'
	option proto 'dhcpv6'
	option device '@wan'
	option reqaddress 'try'
	option reqprefix '60'
	option clientid '0004eae62f0920dd43deadface38fcbd32a5'

config device
	option type 'bridge'
	option name 'br-lan'
	list ports 'lan0'
	list ports 'lan1'
	list ports 'lan2'
	list ports 'lan3'
	list ports 'lan4'
	option bridge_empty '1'

config interface 'swan'
	option proto 'static'
	list ipaddr '198.19.10.1/24'
	option defaultroute '0'
	option ip6ifaceid '::10:1'
	list ip6class 'local'
	list ip6class 'wan6'
	option device 'br-lan.10'
	option ip6assign '62'

config interface 'smgmt'
	option proto 'static'
	option ip6assign '64'
	option ip6hint 'd'
	option ip6ifaceid '::255:1'
	list ip6class 'local'
	option device 'br-lan.255'
	list ipaddr '192.168.1.2/24'
	list ipaddr '192.168.88.2/24'
	list ipaddr '192.168.0.2/24'

config device
	option name 'eth2'

config device
	option vid '1'
	option type '8021q'
	option name 'br-lan.1'
	option ifname 'br-lan'

config device
	option vid '10'
	option type '8021q'
	option name 'br-lan.10'
	option ifname 'br-lan'

config device
	option vid '255'
	option type '8021q'
	option name 'br-lan.255'
	option ifname 'br-lan'

config bridge-vlan
	option device 'br-lan'
	option vlan '1'
	list ports 'lan0:t'
	list ports 'lan1:u*'
	list ports 'lan2:u*'
	list ports 'lan3:u*'

config bridge-vlan
	option device 'br-lan'
	option vlan '10'
	list ports 'lan0:t'

config bridge-vlan
	option device 'br-lan'
	option vlan '255'
	list ports 'lan0:t'

config bridge-vlan
	option device 'br-lan'
	option vlan '2006'
	list ports 'lan4:u*'

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