r0 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00000002c0)={0xa, 0x4e20, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback}, 0x1c) fcntl$dupfd(0xffffffffffffffff, 0x0, r0)