r0 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$netlink(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000001640)={0x18, 0x12, 0xffffffffffffffff, 0x0, 0x0, "", [@nested={0x7}, @nested={0x4}]}, 0x18}], 0x1}, 0x0)