r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_generic(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000000)={0x28, 0x15, 0x1, 0x0, 0x0, {0xa, 0x0, 0xf0}, [@typed={0x14, 0x0, 0x0, 0x0, @ipv6=@ipv4={'\x00', '\xff\xff', @multicast1}}]}, 0x28}}, 0x0)