r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
sendmmsg$sock(r0, &(0x7f00000003c0)=[{{&(0x7f00000001c0)=@l2tp6={0xa, 0x0, 0x0, @mcast1={0xff, 0x0}, 0xffffff29}, 0x80, 0x0}}], 0x1, 0x0)