not ok 1 test: selftest_simult_flows # FAIL
# 01 balanced bwidth                                             7401 max 7906       [ OK ]
# 02 balanced bwidth - reverse direction                         7393 max 7906       [ OK ]
# 03 balanced bwidth with unbalanced delay                       7557 max 7906       [ OK ]
# 04 balanced bwidth with unbalanced delay - reverse direction   7528 max 7906       [ OK ]
# 05 unbalanced bwidth                                           7403 max 7906       [ OK ]
# 06 unbalanced bwidth - reverse direction                       transfer slower than expected! runtime 8050 ms, expected 7906 ms max 7906       [FAIL]
# client exit code 0, server 1
# 
# netns ns3-6645cdf1-ehk12T socket stat for 10006:
# State     Recv-Q Send-Q Local Address:Port  Peer Address:Port                            
# TIME-WAIT 0      0           10.0.3.3:10006     10.0.2.1:48599 timer:(timewait,59sec,0)
# ^I
# TIME-WAIT 0      0           10.0.3.3:10006     10.0.1.1:45350 timer:(timewait,59sec,0)
# ^I
# 
# netns ns1-6645cdf1-ehk12T socket stat for 10006:
# State Recv-Q Send-Q Local Address:Port Peer Address:Port
# -rw------- 1 root root 81920 May 16 09:12 /tmp/tmp.kr05nNbmw1
# -rw------- 1 root root 81920 May 16 09:12 /tmp/tmp.sbWqAhxOFd
# -rw------- 1 root root 16777216 May 16 09:13 /tmp/tmp.04KrUdn5cn
# -rw------- 1 root root 16777216 May 16 09:12 /tmp/tmp.PcyjxvDluX
# 07 unbalanced bwidth with unbalanced delay                     7484 max 7906       [ OK ]
# 08 unbalanced bwidth with unbalanced delay - reverse direction 7459 max 7906       [ OK ]
# 09 unbalanced bwidth with opposed, unbalanced delay            7747 max 7906       [ OK ]
# 10 unbalanced bwidth with opposed, unbalanced delay - reverse direction7626 max 7906       [ OK ]
# 
# time=80

not ok 6 - simult_flows: unbalanced bwidth - reverse direction