<tcp_connect_checksum.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/srv/vmksft/testing/wt-11/tools/testing/selftests'
make[1]: Nothing to be done for 'all'.
# timeout set to 1800
# selftests: net/mptcp: mptcp_connect_checksum.sh
# INFO: set ns4-hH8mvh dev ns4eth3: ethtool -K tso off gso off
# Created /tmp/tmp.7D2Kq391Sk (size 7190476 B) containing data sent by client
# Created /tmp/tmp.StX9PxsNU6 (size 1108649 B) containing data sent by server
# 01 New MPTCP socket can be blocked via sysctl                           [ OK ]
# 02 Validating network environment with pings                            [ OK ]
# INFO: Using loss of 0.63% delay 42 ms reorder 91% 1% with delay 10ms on ns3eth4
# 03 ns1 MPTCP -> ns1 (10.0.1.1:10000      ) MPTCP     (duration    61ms) [ OK ]
# 04 ns1 MPTCP -> ns1 (10.0.1.1:10001      ) TCP       (duration    20ms) [ OK ]
# 05 ns1 TCP   -> ns1 (10.0.1.1:10002      ) MPTCP     (duration    20ms) [ OK ]
# 06 ns1 MPTCP -> ns1 (dead:beef:1::1:10003) MPTCP     (duration    62ms) [ OK ]
# 07 ns1 MPTCP -> ns1 (dead:beef:1::1:10004) TCP       (duration    21ms) [ OK ]
# 08 ns1 TCP   -> ns1 (dead:beef:1::1:10005) MPTCP     (duration    21ms) [ OK ]
# 09 ns1 MPTCP -> ns2 (10.0.1.2:10006      ) MPTCP     (duration    24ms) [ OK ]
# 10 ns1 MPTCP -> ns2 (dead:beef:1::2:10007) MPTCP     (duration    65ms) [ OK ]
# 11 ns1 MPTCP -> ns2 (10.0.2.1:10008      ) MPTCP     (duration    24ms) [ OK ]
# 12 ns1 MPTCP -> ns2 (dead:beef:2::1:10009) MPTCP     (duration    23ms) [ OK ]
# 13 ns1 MPTCP -> ns3 (10.0.2.2:10010      ) MPTCP     (duration 12990ms) [ OK ]
# 14 ns1 MPTCP -> ns3 (dead:beef:2::2:10011) MPTCP     (duration  5203ms) [ OK ]
# 15 ns1 MPTCP -> ns3 (10.0.3.2:10012      ) MPTCP     (duration   777ms) [ OK ]
# 16 ns1 MPTCP -> ns3 (dead:beef:3::2:10013) MPTCP     (duration   662ms) [ OK ]
# 17 ns1 MPTCP -> ns4 (10.0.3.1:10014      ) MPTCP     (duration  3101ms) [ OK ]
# 18 ns1 MPTCP -> ns4 (dead:beef:3::1:10015) MPTCP     (duration 12253ms) [ OK ]
# 19 ns2 MPTCP -> ns1 (10.0.1.1:10016      ) MPTCP     (duration    23ms) [ OK ]
# 20 ns2 MPTCP -> ns1 (dead:beef:1::1:10017) MPTCP     (duration    23ms) [ OK ]
# 21 ns2 MPTCP -> ns3 (10.0.2.2:10018      ) MPTCP     (duration  3219ms) [ OK ]
# 22 ns2 MPTCP -> ns3 (dead:beef:2::2:10019) MPTCP     (duration   719ms) [ OK ]
# 23 ns2 MPTCP -> ns3 (10.0.3.2:10020      ) MPTCP     (duration  8679ms) [ OK ]
# 24 ns2 MPTCP -> ns3 (dead:beef:3::2:10021) MPTCP     (duration  6900ms) [ OK ]
# 25 ns2 MPTCP -> ns4 (10.0.3.1:10022      ) MPTCP     (duration  3031ms) [ OK ]
# 26 ns2 MPTCP -> ns4 (dead:beef:3::1:10023) MPTCP     (duration 10001ms) [ OK ]
# 27 ns3 MPTCP -> ns1 (10.0.1.1:10024      ) MPTCP     (duration  1449ms) [ OK ]
# 28 ns3 MPTCP -> ns1 (dead:beef:1::1:10025) MPTCP     (duration   483ms) [ OK ]
# 29 ns3 MPTCP -> ns2 (10.0.1.2:10026      ) MPTCP     (duration  1113ms) [ OK ]
# 30 ns3 MPTCP -> ns2 (dead:beef:1::2:10027) MPTCP     (duration   525ms) [ OK ]
# 31 ns3 MPTCP -> ns2 (10.0.2.1:10028      ) MPTCP     (duration   522ms) [ OK ]
# 32 ns3 MPTCP -> ns2 (dead:beef:2::1:10029) MPTCP     (duration   484ms) [ OK ]
# 33 ns3 MPTCP -> ns4 (10.0.3.1:10030      ) MPTCP     (duration  1884ms) [ OK ]
# 34 ns3 MPTCP -> ns4 (dead:beef:3::1:10031) MPTCP     (duration  1959ms) [ OK ]
# 35 ns4 MPTCP -> ns1 (10.0.1.1:10032      ) MPTCP     (duration  2544ms) [ OK ]
# 36 ns4 MPTCP -> ns1 (dead:beef:1::1:10033) MPTCP     (duration   577ms) [ OK ]
# 37 ns4 MPTCP -> ns2 (10.0.1.2:10034      ) MPTCP     (duration   711ms) [ OK ]
# 38 ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP     (duration   502ms) [ OK ]
# 39 ns4 MPTCP -> ns2 (10.0.2.1:10036      ) MPTCP     (duration   618ms) [ OK ]
# 40 ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP     (duration   735ms) [ OK ]
# 41 ns4 MPTCP -> ns3 (10.0.2.2:10038      ) MPTCP     (duration   267ms) [ OK ]
# 42 ns4 MPTCP -> ns3 (dead:beef:2::2:10039) MPTCP     (duration   286ms) [ OK ]
# 43 ns4 MPTCP -> ns3 (10.0.3.2:10040      ) MPTCP     (duration   355ms) [ OK ]
# 44 ns4 MPTCP -> ns3 (dead:beef:3::2:10041) MPTCP     (duration   589ms) [ OK ]
# INFO: with peek mode: saveWithPeek
# 45 ns1 MPTCP -> ns1 (10.0.1.1:10042      ) MPTCP     (duration    62ms) [ OK ]
# 46 ns1 MPTCP -> ns1 (10.0.1.1:10043      ) TCP       (duration    21ms) [ OK ]
# 47 ns1 TCP   -> ns1 (10.0.1.1:10044      ) MPTCP     (duration    22ms) [ OK ]
# 48 ns1 MPTCP -> ns1 (dead:beef:1::1:10045) MPTCP     (duration    62ms) [ OK ]
# 49 ns1 MPTCP -> ns1 (dead:beef:1::1:10046) TCP       (duration    21ms) [ OK ]
# 50 ns1 TCP   -> ns1 (dead:beef:1::1:10047) MPTCP     (duration    21ms) [ OK ]
# INFO: with peek mode: saveAfterPeek
# 51 ns1 MPTCP -> ns1 (10.0.1.1:10048      ) MPTCP     (duration    23ms) [ OK ]
# 52 ns1 MPTCP -> ns1 (10.0.1.1:10049      ) TCP       (duration    21ms) [ OK ]
# 53 ns1 TCP   -> ns1 (10.0.1.1:10050      ) MPTCP     (duration    21ms) [ OK ]
# 54 ns1 MPTCP -> ns1 (dead:beef:1::1:10051) MPTCP     (duration    61ms) [ OK ]
# 55 ns1 MPTCP -> ns1 (dead:beef:1::1:10052) TCP       (duration    21ms) [ OK ]
# 56 ns1 TCP   -> ns1 (dead:beef:1::1:10053) MPTCP     (duration    21ms) [ OK ]
# INFO: with MPTFO start
# 57 ns2 MPTCP -> ns1 (10.0.1.1:10054      ) MPTCP     (duration    23ms) [ OK ]
# 58 ns2 MPTCP -> ns1 (10.0.1.1:10055      ) MPTCP     (duration    23ms) [ OK ]
# 59 ns2 MPTCP -> ns1 (dead:beef:1::1:10056) MPTCP     (duration    24ms) [ OK ]
# 60 ns2 MPTCP -> ns1 (dead:beef:1::1:10057) MPTCP     (duration    23ms) [ OK ]
# INFO: with MPTFO end
# INFO: test tproxy ipv4
# 61 ns1 MPTCP -> ns2 (10.0.3.1:20000      ) MPTCP     (duration    23ms) [ OK ]
# INFO: tproxy ipv4 pass
# INFO: test tproxy ipv6
# 62 ns1 MPTCP -> ns2 (dead:beef:3::1:20000) MPTCP     (duration    23ms) [ OK ]
# INFO: tproxy ipv6 pass
# INFO: disconnect
# 63 ns1 MPTCP -> ns1 (10.0.1.1:20001      ) MPTCP     (duration   130ms) [ OK ]
# 64 ns1 MPTCP -> ns1 (10.0.1.1:20002      ) TCP       main_loop_s: timed out
# timeout
# 
# netns ns1-wDTMNO (listener) socket stat for 20002:
# Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
# TcpActiveOpens                  34                 0.0
# TcpPassiveOpens                 32                 0.0
# TcpInSegs                       54518              0.0
# TcpOutSegs                      95173              0.0
# TcpRetransSegs                  364                0.0
# TcpExtTW                        30                 0.0
# TcpExtDelayedACKs               14                 0.0
# TcpExtTCPHPHits                 44                 0.0
# TcpExtTCPPureAcks               17900              0.0
# TcpExtTCPHPAcks                 44                 0.0
# TcpExtTCPSackRecovery           72                 0.0
# TcpExtTCPSACKReorder            408                0.0
# TcpExtTCPTSReorder              3                  0.0
# TcpExtTCPPartialUndo            2                  0.0
# TcpExtTCPFastRetrans            363                0.0
# TcpExtTCPLossProbes             2                  0.0
# TcpExtTCPBacklogCoalesce        743                0.0
# TcpExtTCPDSACKRecv              42                 0.0
# TcpExtTCPDSACKIgnoredNoUndo     3                  0.0
# TcpExtTCPSackMerged             1692               0.0
# TcpExtTCPSackShiftFallback      1790               0.0
# TcpExtTCPRcvCoalesce            10488              0.0
# TcpExtTCPOFOQueue               224                0.0
# TcpExtTCPFastOpenPassive        2                  0.0
# TcpExtTCPFastOpenCookieReqd     2                  0.0
# TcpExtTCPAutoCorking            36                 0.0
# TcpExtTCPFromZeroWindowAdv      26153              0.0
# TcpExtTCPToZeroWindowAdv        736                0.0
# TcpExtTCPWantZeroWindowAdv      261                0.0
# TcpExtTCPOrigDataSent           81176              0.0
# TcpExtTCPACKSkippedSeq          23                 0.0
# TcpExtTCPDelivered              81315              0.0
# TcpExtTCPAckCompressed          40                 0.0
# TcpExtTCPDSACKRecvSegs          105                0.0
# MPTcpExtMPCapableSYNRX          19                 0.0
# MPTcpExtMPCapableSYNTX          28                 0.0
# MPTcpExtMPCapableSYNACKRX       21                 0.0
# MPTcpExtMPCapableACKRX          19                 0.0
# MPTcpExtMPCapableFallbackSYNACK 7                  0.0
# MPTcpExtDuplicateData           147                0.0
# MPTcpExtSndWndShared            333                0.0
# MPTcpExtRcvWndShared            619                0.0
# MPTcpExtWinProbe                148                0.0
# 
# netns ns1-wDTMNO (connector) socket stat for 20002:
# Failed to find cgroup2 mount
# Failed to find cgroup2 mount
# Netid State  Recv-Q Send-Q Local Address:Port  Peer Address:Port
# mptcp UNCONN 0      0           10.0.1.1:54422     10.0.1.1:20002 ino:92703 sk:2008 cgroup:unreachable:1 <--
#  skmem:(r0,rb322536,t0,tb2630656,f0,w0,o0,bl0,d0) subflows_max:2 fallback token:38cd7b64 write_seq:10824051613461330369 snd_una:10824051613461330369 rcv_nxt:7190476 csum_enabled:1 bytes_sent:7190476 bytes_received:7190476 bytes_acked:7190477 last_data_sent:61157 last_data_recv:61157 last_ack_recv:61160
# ./mptcp_connect.sh: line 419: kill: (5271) - No such process
# (duration 61200ms) [FAIL] client exit code 143, server 2
# 
# netns ns1-wDTMNO (listener) socket stat for 20002:
# Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
#   TcpActiveOpens                  1
#   TcpPassiveOpens                 1
#   TcpInSegs                       1742
#   TcpOutSegs                      1742
#   TcpExtTW                        1
#   TcpExtTCPHPHits                 23
#   TcpExtTCPPureAcks               6
#   TcpExtTCPHPAcks                 23
#   TcpExtTCPRcvCoalesce            1
#   TcpExtTCPOrigDataSent           1734
#   TcpExtTCPDelivered              1735
#   MPTcpExtMPCapableSYNTX          1
#   MPTcpExtMPCapableFallbackSYNACK 1
# 
# netns ns1-wDTMNO (connector) socket stat for 20002:
# Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
# 
# 65 ns1 MPTCP -> ns1 (dead:beef:1::1:20003) MPTCP     (duration    82ms) [ OK ]
# 66 ns1 MPTCP -> ns1 (dead:beef:1::1:20004) TCP       (duration    39ms) [ OK ]
# 67 ns1 TCP   -> ns1 (dead:beef:1::1:20005) MPTCP     (duration    37ms) [ OK ]
# [FAIL] Tests of the full disconnection have failed
# Time: 154 seconds
# 
# TAP version 13
# 1..67
# ok 1 - mptcp_connect_checksum: New MPTCP socket can be blocked via sysctl # time=62ms
# ok 2 - mptcp_connect_checksum: ping tests # time=2351ms
# ok 3 - mptcp_connect_checksum: loopback v4: ns1 MPTCP -> ns1 (10.0.1.1:10000) MPTCP # time=143ms
# ok 4 - mptcp_connect_checksum: loopback v4: ns1 MPTCP -> ns1 (10.0.1.1:10001) TCP # time=92ms
# ok 5 - mptcp_connect_checksum: loopback v4: ns1 TCP -> ns1 (10.0.1.1:10002) MPTCP # time=91ms
# ok 6 - mptcp_connect_checksum: loopback v6: ns1 MPTCP -> ns1 (dead:beef:1::1:10003) MPTCP # time=134ms
# ok 7 - mptcp_connect_checksum: loopback v6: ns1 MPTCP -> ns1 (dead:beef:1::1:10004) TCP # time=94ms
# ok 8 - mptcp_connect_checksum: loopback v6: ns1 TCP -> ns1 (dead:beef:1::1:10005) MPTCP # time=96ms
# ok 9 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns2 (10.0.1.2:10006) MPTCP # time=117ms
# ok 10 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns2 (dead:beef:1::2:10007) MPTCP # time=152ms
# ok 11 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns2 (10.0.2.1:10008) MPTCP # time=107ms
# ok 12 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns2 (dead:beef:2::1:10009) MPTCP # time=105ms
# ok 13 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns3 (10.0.2.2:10010) MPTCP # time=13075ms
# ok 14 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns3 (dead:beef:2::2:10011) MPTCP # time=5288ms
# ok 15 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns3 (10.0.3.2:10012) MPTCP # time=860ms
# ok 16 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns3 (dead:beef:3::2:10013) MPTCP # time=745ms
# ok 17 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns4 (10.0.3.1:10014) MPTCP # time=3182ms
# ok 18 - mptcp_connect_checksum: multihosts: ns1 MPTCP -> ns4 (dead:beef:3::1:10015) MPTCP # time=12334ms
# ok 19 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns1 (10.0.1.1:10016) MPTCP # time=109ms
# ok 20 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns1 (dead:beef:1::1:10017) MPTCP # time=104ms
# ok 21 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns3 (10.0.2.2:10018) MPTCP # time=3300ms
# ok 22 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns3 (dead:beef:2::2:10019) MPTCP # time=800ms
# ok 23 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns3 (10.0.3.2:10020) MPTCP # time=8764ms
# ok 24 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns3 (dead:beef:3::2:10021) MPTCP # time=6985ms
# ok 25 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns4 (10.0.3.1:10022) MPTCP # time=3117ms
# ok 26 - mptcp_connect_checksum: multihosts: ns2 MPTCP -> ns4 (dead:beef:3::1:10023) MPTCP # time=10086ms
# ok 27 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns1 (10.0.1.1:10024) MPTCP # time=1535ms
# ok 28 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns1 (dead:beef:1::1:10025) MPTCP # time=569ms
# ok 29 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns2 (10.0.1.2:10026) MPTCP # time=1196ms
# ok 30 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns2 (dead:beef:1::2:10027) MPTCP # time=607ms
# ok 31 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns2 (10.0.2.1:10028) MPTCP # time=604ms
# ok 32 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns2 (dead:beef:2::1:10029) MPTCP # time=568ms
# ok 33 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns4 (10.0.3.1:10030) MPTCP # time=1967ms
# ok 34 - mptcp_connect_checksum: multihosts: ns3 MPTCP -> ns4 (dead:beef:3::1:10031) MPTCP # time=2041ms
# ok 35 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns1 (10.0.1.1:10032) MPTCP # time=2631ms
# ok 36 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns1 (dead:beef:1::1:10033) MPTCP # time=660ms
# ok 37 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns2 (10.0.1.2:10034) MPTCP # time=797ms
# ok 38 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP # time=587ms
# ok 39 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns2 (10.0.2.1:10036) MPTCP # time=702ms
# ok 40 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP # time=818ms
# ok 41 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns3 (10.0.2.2:10038) MPTCP # time=349ms
# ok 42 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns3 (dead:beef:2::2:10039) MPTCP # time=368ms
# ok 43 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns3 (10.0.3.2:10040) MPTCP # time=440ms
# ok 44 - mptcp_connect_checksum: multihosts: ns4 MPTCP -> ns3 (dead:beef:3::2:10041) MPTCP # time=675ms
# ok 45 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (10.0.1.1:10042) MPTCP # time=132ms
# ok 46 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (10.0.1.1:10043) TCP # time=91ms
# ok 47 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 TCP -> ns1 (10.0.1.1:10044) MPTCP # time=91ms
# ok 48 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10045) MPTCP # time=132ms
# ok 49 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10046) TCP # time=92ms
# ok 50 - mptcp_connect_checksum: peek mode: saveWithPeek: ns1 TCP -> ns1 (dead:beef:1::1:10047) MPTCP # time=87ms
# ok 51 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (10.0.1.1:10048) MPTCP # time=93ms
# ok 52 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (10.0.1.1:10049) TCP # time=89ms
# ok 53 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 TCP -> ns1 (10.0.1.1:10050) MPTCP # time=88ms
# ok 54 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10051) MPTCP # time=132ms
# ok 55 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10052) TCP # time=88ms
# ok 56 - mptcp_connect_checksum: peek mode: saveAfterPeek: ns1 TCP -> ns1 (dead:beef:1::1:10053) MPTCP # time=89ms
# ok 57 - mptcp_connect_checksum: MPTFO: ns2 MPTCP -> ns1 (10.0.1.1:10054) MPTCP # time=126ms
# ok 58 - mptcp_connect_checksum: MPTFO: ns2 MPTCP -> ns1 (10.0.1.1:10055) MPTCP # time=107ms
# ok 59 - mptcp_connect_checksum: MPTFO: ns2 MPTCP -> ns1 (dead:beef:1::1:10056) MPTCP # time=108ms
# ok 60 - mptcp_connect_checksum: MPTFO: ns2 MPTCP -> ns1 (dead:beef:1::1:10057) MPTCP # time=105ms
# ok 61 - mptcp_connect_checksum: tproxy ipv4: ns1 MPTCP -> ns2 (10.0.3.1:20000) MPTCP # time=141ms
# ok 62 - mptcp_connect_checksum: tproxy ipv6: ns1 MPTCP -> ns2 (dead:beef:3::1:20000) MPTCP # time=153ms
# ok 63 - mptcp_connect_checksum: full disconnect: ns1 MPTCP -> ns1 (10.0.1.1:20001) MPTCP # time=245ms
# not ok 64 - mptcp_connect_checksum: full disconnect: ns1 MPTCP -> ns1 (10.0.1.1:20002) TCP # time=61283ms
# ok 65 - mptcp_connect_checksum: full disconnect: ns1 MPTCP -> ns1 (dead:beef:1::1:20003) MPTCP # time=153ms
# ok 66 - mptcp_connect_checksum: full disconnect: ns1 MPTCP -> ns1 (dead:beef:1::1:20004) TCP # time=111ms
# ok 67 - mptcp_connect_checksum: full disconnect: ns1 TCP -> ns1 (dead:beef:1::1:20005) MPTCP # time=111ms
not ok 1 selftests: net/mptcp: mptcp_connect_checksum.sh # exit=1
make: Leaving directory '/srv/vmksft/testing/wt-11/tools/testing/selftests'
xx__-> echo $?
0
xx__->