r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f0000000000)=@req3={0x1000, 0x1, 0x400, 0x4}, 0x1c)
mmap(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x0, 0x13, r0, 0x0)
mremap(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x1000, 0x3, &(0x7f0000fff000/0x1000)=nil)