11..20
2ok 1      Pipe state 4: expected 0; got 0
3ok 2      Pipe state 5: expected POLLIN; got POLLIN
4ok 3      Pipe state 6: expected POLLIN | POLLHUP; got POLLIN | POLLHUP
5ok 4      Pipe state 6a: expected POLLHUP; got POLLHUP
6ok 5      Sock state 4: expected 0; got 0
7ok 6      Sock state 5: expected POLLIN; got POLLIN
8ok 7      Sock state 6: expected POLLIN | POLLHUP; got POLLIN | POLLHUP
9not ok 8  Sock state 6a: expected POLLHUP; got POLLIN | POLLHUP
10ok 9      FIFO state 0: expected 0; got 0
11ok 10     FIFO state 1: expected 0; got 0
12ok 11     FIFO state 2: expected POLLIN; got POLLIN
13ok 12     FIFO state 2a: expected 0; got 0
14ok 13     FIFO state 3: expected POLLHUP; got POLLHUP
15ok 14     FIFO state 4: expected 0; got 0
16ok 15     FIFO state 5: expected POLLIN; got POLLIN
17ok 16     FIFO state 6: expected POLLIN | POLLHUP; got POLLIN | POLLHUP
18ok 17     FIFO state 6a: expected POLLHUP; got POLLHUP
19not ok 18 FIFO state 6b: expected POLLHUP; got 0
20ok 19     FIFO state 6c: expected POLLHUP; got POLLHUP
21ok 20     FIFO state 6d: expected POLLHUP; got POLLHUP
22