r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_generic(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000001000)={0x24, 0x2c, 0xcd2781b960712dff, 0x0, 0x0, {}, [@typed={0x8, 0x2, 0x0, 0x0, @ipv4=@multicast1}, @generic="a81e508b51"]}, 0x24}}, 0x0)