r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000001680)={0x24, 0x11, 0x1, 0x0, 0x0, "", [@typed={0x8, 0x0, 0x0, 0x0, @ipv4=@multicast1}, @nested={0x4}, @nested={0x8, 0x0, 0x0, 0x1, [@typed={0x4, 0x5}]}]}, 0x24}], 0x1}, 0x0)