r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x47e2, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
r2 = dup2(r0, r1)
fallocate(r2, 0x11, 0x0, 0x200)