make -C tools/testing/selftests TARGETS="net" TEST_PROGS=fib_tests.sh TESTT_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net/lib' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests/net/lib' make[1]: Entering directory '/home/virtme/testing/wt-1/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 3600 # selftests: net: fib_tests.sh # 0.05 [+0.05] # 0.05 [+0.00] Single path route test # 0.18 [+0.14] Start point # 0.19 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.21 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.24 [+0.03] Nexthop device deleted # 0.25 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.26 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.33 [+0.07] # 0.33 [+0.00] Multipath route test # 0.57 [+0.24] Start point # 0.58 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.60 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.63 [+0.04] One nexthop device deleted # 0.65 [+0.01] TEST: IPv4 - multipath route removed on delete [ OK ] # 0.66 [+0.01] TEST: IPv6 - multipath down to single path [ OK ] # 0.69 [+0.03] Second nexthop device deleted # 0.70 [+0.01] TEST: IPv6 - no route [ OK ] # 0.79 [+0.09] # 0.79 [+0.00] Single path, admin down # 0.99 [+0.21] Start point # 1.00 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.02 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.03 [+0.02] Route deleted on down # 1.05 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.06 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.14 [+0.07] # 1.14 [+0.00] Admin down multipath # 1.41 [+0.27] Verify start point # 1.42 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.44 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.45 [+0.01] One device down, one up # 1.46 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.47 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.49 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.50 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.52 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.53 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.54 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.56 [+0.02] TEST: IPv6 flags on up device [ OK ] # 1.59 [+0.03] Other device down and up # 1.60 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.62 [+0.02] TEST: IPv6 fibmatch on down device [ OK ] # 1.63 [+0.02] TEST: IPv4 fibmatch on up device [ OK ] # 1.64 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.66 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.67 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.68 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.70 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.71 [+0.01] Both devices down # 1.72 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.73 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.82 [+0.09] # 1.82 [+0.00] Local carrier tests - single path # 2.04 [+0.22] Start point # 2.05 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.06 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.08 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 2.09 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 3.11 [+1.02] Carrier off on nexthop # 3.13 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.14 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.15 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 3.17 [+0.01] TEST: IPv6 - linkdown flag set [ OK ] # 3.19 [+0.02] Route to local address with carrier down # 3.20 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.21 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.22 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 3.24 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.31 [+0.08] # 3.31 [+0.00] Single path route carrier test # 3.52 [+0.21] Start point # 3.54 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.55 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.56 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 3.58 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 4.60 [+1.02] Carrier down # 4.61 [+0.02] TEST: IPv4 fibmatch [ OK ] # 4.63 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.64 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.65 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 4.68 [+0.03] Second address added with carrier down # 4.69 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.70 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.72 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.73 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 6.23 [+1.50] # 6.23 [+0.00] IPv4 nexthop tests # 6.23 [+0.00] <<< write me >>> # 6.26 [+0.03] # 6.26 [+0.00] IPv6 nexthop tests # 6.28 [+0.01] TEST: Directly connected nexthop, unicast address [ OK ] # 6.30 [+0.02] TEST: Directly connected nexthop, unicast address with device [ OK ] # 6.31 [+0.02] TEST: Gateway is linklocal address [ OK ] # 6.33 [+0.02] TEST: Gateway is linklocal address, no device [ OK ] # 6.35 [+0.02] TEST: Gateway can not be local unicast address [ OK ] # 6.36 [+0.02] TEST: Gateway can not be local unicast address, with device [ OK ] # 6.38 [+0.02] TEST: Gateway can not be a local linklocal address [ OK ] # 6.39 [+0.01] TEST: Gateway can be local address in a VRF [ OK ] # 6.41 [+0.02] TEST: Gateway can be local address in a VRF, with device [ OK ] # 6.42 [+0.01] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 6.44 [+0.02] TEST: Redirect to VRF lookup [ OK ] # 6.45 [+0.01] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 6.47 [+0.02] TEST: VRF route, gateway can not be a local address [ OK ] # 6.48 [+0.01] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 6.64 [+0.16] # 6.64 [+0.00] FIB rule with suppress_prefixlength # 6.95 [+0.30] TEST: FIB rule suppress test [ OK ] # 7.21 [+0.26] # 7.21 [+0.00] Fib6 info length calculation in route notify test # 9.49 [+2.28] TEST: ipv6 route add notify [ OK ] # 9.76 [+0.27] # 9.76 [+0.00] Fib4 info length calculation in route notify test # 12.02 [+2.26] TEST: ipv4 route add notify [ OK ] # 12.70 [+0.68] # 12.70 [+0.00] IPv6 route add / append tests # 12.75 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 12.81 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 12.85 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 12.92 [+0.06] TEST: Append nexthop to existing route - gw [ OK ] # 12.97 [+0.05] TEST: Add multipath route [ OK ] # 13.02 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 13.09 [+0.07] TEST: Route add with different metrics [ OK ] # 13.12 [+0.03] TEST: Route delete with metric [ OK ] # 13.12 [+0.00] # 13.12 [+0.00] IPv6 route replace tests # 13.19 [+0.07] TEST: Single path with single path [ OK ] # 13.26 [+0.07] TEST: Single path with multipath [ OK ] # 13.33 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 13.38 [+0.06] TEST: Invalid nexthop [ OK ] # 13.44 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 13.50 [+0.07] TEST: Multipath with multipath [ OK ] # 13.57 [+0.06] TEST: Multipath with single path [ OK ] # 13.63 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 13.69 [+0.07] TEST: Multipath with dev-only [ OK ] # 13.77 [+0.08] TEST: Multipath - invalid first nexthop [ OK ] # 13.85 [+0.08] TEST: Multipath - invalid second nexthop [ OK ] # 13.91 [+0.06] TEST: Multipath - replace of non-existent route [ OK ] # 13.91 [+0.00] # 13.91 [+0.00] IPv6 route with dsfield tests # 13.94 [+0.03] TEST: Reject route with dsfield [ OK ] # 14.88 [+0.94] # 14.88 [+0.00] IPv4 route add / append tests # 14.92 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 14.97 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 15.02 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 15.09 [+0.06] TEST: Add new nexthop for existing prefix [ OK ] # 15.15 [+0.07] TEST: Append nexthop to existing route - gw [ OK ] # 15.22 [+0.07] TEST: Append nexthop to existing route - dev only [ OK ] # 15.28 [+0.06] TEST: Append nexthop to existing route - reject route [ OK ] # 15.34 [+0.05] TEST: Append nexthop to existing reject route - gw [ OK ] # 15.39 [+0.06] TEST: Append nexthop to existing reject route - dev only [ OK ] # 15.44 [+0.05] TEST: add multipath route [ OK ] # 15.49 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 15.55 [+0.06] TEST: Route add with different metrics [ OK ] # 15.58 [+0.02] TEST: Route delete with metric [ OK ] # 15.58 [+0.00] # 15.58 [+0.00] IPv4 route replace tests # 15.64 [+0.06] TEST: Single path with single path [ OK ] # 15.70 [+0.06] TEST: Single path with multipath [ OK ] # 15.76 [+0.06] TEST: Single path with reject route [ OK ] # 15.81 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 15.87 [+0.06] TEST: Invalid nexthop [ OK ] # 15.91 [+0.04] TEST: Single path - replace of non-existent route [ OK ] # 15.97 [+0.06] TEST: Multipath with multipath [ OK ] # 16.03 [+0.06] TEST: Multipath with single path [ OK ] # 16.09 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 16.15 [+0.06] TEST: Multipath with reject route [ OK ] # 16.21 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 16.27 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 16.32 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 16.51 [+0.19] TEST: Cached route removed from VRF port device [ OK ] # 16.51 [+0.00] # 16.51 [+0.00] IPv4 route with dsfield tests # 16.53 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 16.55 [+0.01] TEST: Reject route with dsfield 0x02 [ OK ] # 16.56 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 16.59 [+0.03] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 16.60 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 16.61 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 16.63 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 16.64 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 16.65 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 16.67 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 16.68 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 16.69 [+0.01] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 16.70 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 16.72 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 16.73 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 16.97 [+0.25] # 16.98 [+0.00] IPv6 prefix route tests # 17.26 [+0.29] TEST: Default metric [ OK ] # 17.30 [+0.03] TEST: User specified metric on first device [ OK ] # 17.33 [+0.04] TEST: User specified metric on second device [ OK ] # 17.35 [+0.02] TEST: Delete of address on first device [ OK ] # 17.38 [+0.02] TEST: Modify metric of address [ OK ] # 17.42 [+0.04] TEST: Prefix route removed on link down [ OK ] # 17.44 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 17.48 [+0.04] TEST: Set metric with peer route on local side [ OK ] # 17.49 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 17.52 [+0.02] TEST: Modify metric and peer address on local side [ OK ] # 17.53 [+0.01] TEST: Modify metric and peer address on peer side [ OK ] # 17.69 [+0.17] # 17.69 [+0.00] IPv4 prefix route tests # 17.98 [+0.29] TEST: Default metric [ OK ] # 18.02 [+0.04] TEST: User specified metric on first device [ OK ] # 18.06 [+0.04] TEST: User specified metric on second device [ OK ] # 18.08 [+0.02] TEST: Delete of address on first device [ OK ] # 18.11 [+0.02] TEST: Modify metric of address [ OK ] # 18.13 [+0.02] TEST: Prefix route removed on link down [ OK ] # 18.15 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 18.20 [+0.05] TEST: Modify metric of .0/24 address [ OK ] # 18.24 [+0.04] TEST: Set metric of address with peer route [ OK ] # 18.26 [+0.02] TEST: Modify metric and peer address for peer route [ OK ] # 18.43 [+0.17] # 18.43 [+0.00] IPv6 routes with metrics # 19.15 [+0.72] TEST: Single path route with mtu metric [ OK ] # 19.19 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 19.23 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 19.26 [+0.03] TEST: MTU of second leg [ OK ] # 19.29 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 19.32 [+0.04] TEST: Using route with mtu metric [ OK ] # 19.35 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 19.57 [+0.22] # 19.58 [+0.00] IPv4 route add / append tests # 20.25 [+0.68] TEST: Single path route with mtu metric [ OK ] # 20.28 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 20.31 [+0.03] TEST: Using route with mtu metric [ OK ] # 20.34 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 20.58 [+0.24] # 20.58 [+0.00] IPv4 route with IPv6 gateway tests # 23.23 [+2.65] TEST: Single path route with IPv6 gateway [ OK ] # 23.27 [+0.04] TEST: Single path route with IPv6 gateway - ping [ OK ] # 23.28 [+0.01] TEST: Single path route delete [ OK ] # 23.31 [+0.03] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 23.33 [+0.02] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.34 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.36 [+0.01] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 23.39 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.40 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.66 [+0.26] # 23.66 [+0.00] IPv4 rp_filter tests # 24.63 [+0.97] TEST: rp_filter passes local packets [ OK ] # 24.65 [+0.02] TEST: rp_filter passes loopback packets [ OK ] # 24.78 [+0.13] # 24.78 [+0.00] IPv4 delete address route tests # 25.24 [+0.46] Regular FIB info # 25.26 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.27 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.32 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.33 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.33 [+0.00] Identical FIB info with different table ID # 25.35 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.37 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.41 [+0.05] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.43 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.43 [+0.00] Table ID 0 # 25.45 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.63 [+0.18] # 25.63 [+0.00] IPv6 delete address route tests # 26.37 [+0.73] Single device using src address # 26.39 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.39 [+0.00] Two devices with the same source address # 26.41 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.44 [+0.03] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.44 [+0.00] VRF with single device using src address # 26.47 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.47 [+0.00] VRF with two devices using src address # 26.49 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.52 [+0.02] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.52 [+0.00] src address and nexthop dev in same VRF # 26.54 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 26.56 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 26.60 [+0.05] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 26.61 [+0.01] TEST: Prefsrc in default VRF removed [ OK ] # 26.62 [+0.00] src address and nexthop device in different VRF # 26.64 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 26.65 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 26.69 [+0.04] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 26.70 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 26.70 [+0.00] Table ID 0 # 26.72 [+0.02] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 26.73 [+0.00] Link local source route # 26.75 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.77 [+0.02] TEST: Prefsrc removed when delete ll addr [ OK ] # 26.78 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.81 [+0.03] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 27.12 [+0.30] # 27.12 [+0.00] IPv4 mangling tests # 30.44 [+3.32] TEST: Connection with correct parameters [ OK ] # 30.47 [+0.02] TEST: Connection with incorrect parameters [ OK ] # 31.03 [+0.56] TEST: Connection with correct parameters - mangling [ OK ] # 31.59 [+0.57] TEST: Connection with correct parameters - no mangling [ OK ] # 31.60 [+0.01] TEST: Connection check - server side [ OK ] # 31.89 [+0.29] # 31.89 [+0.00] IPv6 mangling tests # 35.12 [+3.23] TEST: Connection with correct parameters [ OK ] # 35.15 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 35.70 [+0.55] TEST: Connection with correct parameters - mangling [ OK ] # 36.26 [+0.56] TEST: Connection with correct parameters - no mangling [ OK ] # 36.27 [+0.01] TEST: Connection check - server side [ OK ] # 36.55 [+0.28] # 36.55 [+0.00] IPv4 broadcast neighbour tests # 36.87 [+0.32] TEST: Resolved neighbour for broadcast address [ OK ] # 36.89 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 36.90 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 36.91 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 37.23 [+0.31] # 37.23 [+0.00] Fib6 garbage collection test # 49.41 [+12.18] TEST: ipv6 route garbage collection [ OK ] # 61.60 [+12.20] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 73.80 [+12.20] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 86.03 [+12.23] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 99.25 [+13.22] TEST: ipv6 route garbage collection (RA message) [ OK ] # 99.37 [+0.12] # 99.37 [+0.00] IPv4 multipath list receive tests # 100.65 [+1.27] TEST: Multipath route hit ratio (1.00) [ OK ] # 100.89 [+0.24] # 100.89 [+0.00] IPv6 multipath list receive tests # 102.14 [+1.25] TEST: Multipath route hit ratio (.99) [ OK ] # 102.38 [+0.24] # 102.38 [+0.00] IPv4 multipath load balance test # 104.48 [+2.10] TEST: IPv4 multipath loadbalance [ OK ] # 104.75 [+0.27] # 104.75 [+0.00] IPv6 multipath load balance test # 108.90 [+4.15] TEST: IPv6 multipath loadbalance [ OK ] # 109.19 [+0.29] # 109.19 [+0.00] Tests passed: 231 # 109.19 [+0.00] Tests failed: 0 ok 1 selftests: net: fib_tests.sh make[1]: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests/net' make: Leaving directory '/home/virtme/testing/wt-1/tools/testing/selftests' xx__-> echo $? 0 xx__->