r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = fcntl$dupfd(r0, 0x0, r0)
sendmsg$nl_generic(r1, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000440)={0x18, 0x0, 0x0, 0x0, 0x0, {}, [@nested={0x4}]}, 0x18}}, 0x200080c4)