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 # 0.06 [+0.06] # 0.06 [+0.00] Single path route test # 0.23 [+0.17] Start point # 0.24 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.26 [+0.02] TEST: IPv6 fibmatch [ OK ] # 0.31 [+0.04] Nexthop device deleted # 0.32 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.34 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.42 [+0.08] # 0.42 [+0.00] Multipath route test # 0.94 [+0.52] Start point # 0.97 [+0.03] TEST: IPv4 fibmatch [ OK ] # 0.99 [+0.02] TEST: IPv6 fibmatch [ OK ] # 1.03 [+0.04] One nexthop device deleted # 1.06 [+0.03] TEST: IPv4 - multipath route removed on delete [ OK ] # 1.09 [+0.03] TEST: IPv6 - multipath down to single path [ OK ] # 1.13 [+0.05] Second nexthop device deleted # 1.16 [+0.02] TEST: IPv6 - no route [ OK ] # 1.28 [+0.12] # 1.28 [+0.00] Single path, admin down # 1.52 [+0.24] Start point # 1.54 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.56 [+0.02] TEST: IPv6 fibmatch [ OK ] # 1.57 [+0.02] Route deleted on down # 1.58 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.60 [+0.02] TEST: IPv6 fibmatch [ OK ] # 1.68 [+0.07] # 1.68 [+0.00] Admin down multipath # 1.97 [+0.29] Verify start point # 1.98 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.00 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.01 [+0.01] One device down, one up # 2.02 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 2.03 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 2.05 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 2.06 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 2.07 [+0.01] TEST: IPv4 flags on down device [ OK ] # 2.09 [+0.01] TEST: IPv6 flags on down device [ OK ] # 2.10 [+0.01] TEST: IPv4 flags on up device [ OK ] # 2.11 [+0.01] TEST: IPv6 flags on up device [ OK ] # 2.13 [+0.02] Other device down and up # 2.15 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 2.16 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 2.17 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 2.18 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 2.19 [+0.01] TEST: IPv4 flags on down device [ OK ] # 2.21 [+0.01] TEST: IPv6 flags on down device [ OK ] # 2.22 [+0.01] TEST: IPv4 flags on up device [ OK ] # 2.23 [+0.01] TEST: IPv6 flags on up device [ OK ] # 2.24 [+0.01] Both devices down # 2.25 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.27 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.36 [+0.09] # 2.36 [+0.00] Local carrier tests - single path # 2.56 [+0.20] Start point # 2.57 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.58 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.59 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 2.61 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 3.62 [+1.02] Carrier off on nexthop # 3.64 [+0.02] TEST: IPv4 fibmatch [ OK ] # 3.65 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.67 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 3.68 [+0.01] TEST: IPv6 - linkdown flag set [ OK ] # 3.71 [+0.03] Route to local address with carrier down # 3.72 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.73 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.74 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 3.76 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.85 [+0.09] # 3.85 [+0.00] Single path route carrier test # 4.06 [+0.21] Start point # 4.07 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.09 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.10 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 4.12 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 5.15 [+1.04] Carrier down # 5.17 [+0.02] TEST: IPv4 fibmatch [ OK ] # 5.18 [+0.01] TEST: IPv6 fibmatch [ OK ] # 5.20 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 5.21 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 5.23 [+0.02] Second address added with carrier down # 5.25 [+0.01] TEST: IPv4 fibmatch [ OK ] # 5.26 [+0.02] TEST: IPv6 fibmatch [ OK ] # 5.27 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 5.29 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 6.75 [+1.47] # 6.76 [+0.00] IPv4 nexthop tests # 6.76 [+0.00] <<< write me >>> # 6.81 [+0.06] # 6.81 [+0.00] IPv6 nexthop tests # 6.84 [+0.03] TEST: Directly connected nexthop, unicast address [ OK ] # 6.87 [+0.03] TEST: Directly connected nexthop, unicast address with device [ OK ] # 6.91 [+0.04] TEST: Gateway is linklocal address [ OK ] # 6.94 [+0.03] TEST: Gateway is linklocal address, no device [ OK ] # 6.97 [+0.03] TEST: Gateway can not be local unicast address [ OK ] # 7.00 [+0.03] TEST: Gateway can not be local unicast address, with device [ OK ] # 7.03 [+0.03] TEST: Gateway can not be a local linklocal address [ OK ] # 7.06 [+0.03] TEST: Gateway can be local address in a VRF [ OK ] # 7.09 [+0.03] TEST: Gateway can be local address in a VRF, with device [ OK ] # 7.12 [+0.03] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 7.15 [+0.03] TEST: Redirect to VRF lookup [ OK ] # 7.18 [+0.03] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 7.21 [+0.03] TEST: VRF route, gateway can not be a local address [ OK ] # 7.24 [+0.03] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 7.49 [+0.25] # 7.49 [+0.00] FIB rule with suppress_prefixlength # 8.06 [+0.57] TEST: FIB rule suppress test [ OK ] # 8.59 [+0.53] # 8.59 [+0.00] Fib6 info length calculation in route notify test # 11.15 [+2.56] TEST: ipv6 route add notify [ OK ] # 11.70 [+0.55] # 11.70 [+0.00] Fib4 info length calculation in route notify test # 14.27 [+2.56] TEST: ipv4 route add notify [ OK ] # 15.68 [+1.41] # 15.68 [+0.00] IPv6 route add / append tests # 15.78 [+0.10] TEST: Attempt to add duplicate route - gw [ OK ] # 15.88 [+0.10] TEST: Attempt to add duplicate route - dev only [ OK ] # 15.96 [+0.09] TEST: Attempt to add duplicate route - reject route [ OK ] # 16.09 [+0.12] TEST: Append nexthop to existing route - gw [ OK ] # 16.19 [+0.10] TEST: Add multipath route [ OK ] # 16.28 [+0.10] TEST: Attempt to add duplicate multipath route [ OK ] # 16.40 [+0.11] TEST: Route add with different metrics [ OK ] # 16.45 [+0.05] TEST: Route delete with metric [ OK ] # 16.45 [+0.00] # 16.45 [+0.00] IPv6 route replace tests # 16.56 [+0.11] TEST: Single path with single path [ OK ] # 16.67 [+0.11] TEST: Single path with multipath [ OK ] # 16.78 [+0.11] TEST: Single path with single path via multipath attribute [ OK ] # 16.88 [+0.10] TEST: Invalid nexthop [ OK ] # 16.97 [+0.09] TEST: Single path - replace of non-existent route [ OK ] # 17.07 [+0.11] TEST: Multipath with multipath [ OK ] # 17.18 [+0.10] TEST: Multipath with single path [ OK ] # 17.28 [+0.10] TEST: Multipath with single path via multipath attribute [ OK ] # 17.37 [+0.09] TEST: Multipath with dev-only [ OK ] # 17.46 [+0.09] TEST: Multipath - invalid first nexthop [ OK ] # 17.55 [+0.09] TEST: Multipath - invalid second nexthop [ OK ] # 17.62 [+0.07] TEST: Multipath - replace of non-existent route [ OK ] # 17.62 [+0.01] # 17.62 [+0.00] IPv6 route with dsfield tests # 17.65 [+0.03] TEST: Reject route with dsfield [ OK ] # 19.04 [+1.38] # 19.04 [+0.00] IPv4 route add / append tests # 19.11 [+0.07] TEST: Attempt to add duplicate route - gw [ OK ] # 19.18 [+0.07] TEST: Attempt to add duplicate route - dev only [ OK ] # 19.24 [+0.07] TEST: Attempt to add duplicate route - reject route [ OK ] # 19.33 [+0.08] TEST: Add new nexthop for existing prefix [ OK ] # 19.41 [+0.08] TEST: Append nexthop to existing route - gw [ OK ] # 19.50 [+0.09] TEST: Append nexthop to existing route - dev only [ OK ] # 19.58 [+0.08] TEST: Append nexthop to existing route - reject route [ OK ] # 19.65 [+0.07] TEST: Append nexthop to existing reject route - gw [ OK ] # 19.72 [+0.07] TEST: Append nexthop to existing reject route - dev only [ OK ] # 19.78 [+0.06] TEST: add multipath route [ OK ] # 19.84 [+0.06] TEST: Attempt to add duplicate multipath route [ OK ] # 19.92 [+0.08] TEST: Route add with different metrics [ OK ] # 19.95 [+0.03] TEST: Route delete with metric [ OK ] # 19.96 [+0.00] # 19.96 [+0.00] IPv4 route replace tests # 20.03 [+0.08] TEST: Single path with single path [ OK ] # 20.11 [+0.08] TEST: Single path with multipath [ OK ] # 20.19 [+0.07] TEST: Single path with reject route [ OK ] # 20.28 [+0.09] TEST: Single path with single path via multipath attribute [ OK ] # 20.36 [+0.08] TEST: Invalid nexthop [ OK ] # 20.43 [+0.07] TEST: Single path - replace of non-existent route [ OK ] # 20.51 [+0.08] TEST: Multipath with multipath [ OK ] # 20.59 [+0.09] TEST: Multipath with single path [ OK ] # 20.67 [+0.08] TEST: Multipath with single path via multipath attribute [ OK ] # 20.74 [+0.07] TEST: Multipath with reject route [ OK ] # 20.81 [+0.07] TEST: Multipath - invalid first nexthop [ OK ] # 20.87 [+0.07] TEST: Multipath - invalid second nexthop [ OK ] # 20.93 [+0.06] TEST: Multipath - replace of non-existent route [ OK ] # 21.16 [+0.23] TEST: Cached route removed from VRF port device [ OK ] # 21.16 [+0.00] # 21.16 [+0.00] IPv4 route with dsfield tests # 21.19 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 21.20 [+0.01] TEST: Reject route with dsfield 0x02 [ OK ] # 21.21 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 21.25 [+0.04] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 21.27 [+0.02] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 21.29 [+0.02] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 21.30 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 21.31 [+0.02] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 21.33 [+0.02] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 21.35 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 21.36 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 21.38 [+0.02] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 21.39 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 21.40 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 21.41 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 21.67 [+0.25] # 21.67 [+0.00] IPv6 prefix route tests # 21.97 [+0.31] TEST: Default metric [ OK ] # 22.01 [+0.04] TEST: User specified metric on first device [ OK ] # 22.05 [+0.04] TEST: User specified metric on second device [ OK ] # 22.08 [+0.03] TEST: Delete of address on first device [ OK ] # 22.10 [+0.03] TEST: Modify metric of address [ OK ] # 22.15 [+0.04] TEST: Prefix route removed on link down [ OK ] # 22.17 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 22.20 [+0.03] TEST: Set metric with peer route on local side [ OK ] # 22.22 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 22.25 [+0.03] TEST: Modify metric and peer address on local side [ OK ] # 22.26 [+0.02] TEST: Modify metric and peer address on peer side [ OK ] # 22.43 [+0.17] # 22.43 [+0.00] IPv4 prefix route tests # 22.74 [+0.30] TEST: Default metric [ OK ] # 22.78 [+0.05] TEST: User specified metric on first device [ OK ] # 22.83 [+0.05] TEST: User specified metric on second device [ OK ] # 22.86 [+0.03] TEST: Delete of address on first device [ OK ] # 22.89 [+0.03] TEST: Modify metric of address [ OK ] # 22.92 [+0.03] TEST: Prefix route removed on link down [ OK ] # 22.96 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 23.02 [+0.06] TEST: Modify metric of .0/24 address [ OK ] # 23.06 [+0.04] TEST: Set metric of address with peer route [ OK ] # 23.09 [+0.03] TEST: Modify metric and peer address for peer route [ OK ] # 23.27 [+0.18] # 23.27 [+0.00] IPv6 routes with metrics # 24.03 [+0.76] TEST: Single path route with mtu metric [ OK ] # 24.07 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 24.11 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 24.14 [+0.03] TEST: MTU of second leg [ OK ] # 24.17 [+0.02] TEST: Multipath route with mtu metric [ OK ] # 24.20 [+0.04] TEST: Using route with mtu metric [ OK ] # 24.23 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 24.48 [+0.25] # 24.48 [+0.00] IPv4 route add / append tests # 25.23 [+0.75] TEST: Single path route with mtu metric [ OK ] # 25.26 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 25.30 [+0.03] TEST: Using route with mtu metric [ OK ] # 25.33 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 25.59 [+0.26] # 25.59 [+0.00] IPv4 route with IPv6 gateway tests # 28.34 [+2.75] TEST: Single path route with IPv6 gateway [ OK ] # 28.37 [+0.03] TEST: Single path route with IPv6 gateway - ping [ OK ] # 28.39 [+0.02] TEST: Single path route delete [ OK ] # 28.42 [+0.03] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 28.45 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 28.46 [+0.02] TEST: Multipath route delete exact match [ OK ] # 28.48 [+0.02] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 28.51 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 28.53 [+0.02] TEST: Multipath route delete exact match [ OK ] # 28.82 [+0.29] # 28.82 [+0.00] IPv4 rp_filter tests # 29.78 [+0.96] TEST: rp_filter passes local packets [ OK ] # 29.80 [+0.02] TEST: rp_filter passes loopback packets [ OK ] # 29.92 [+0.12] # 29.92 [+0.00] IPv4 delete address route tests # 30.33 [+0.42] Regular FIB info # 30.36 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 30.37 [+0.02] TEST: Route in default VRF not removed [ OK ] # 30.41 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 30.43 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 30.43 [+0.00] Identical FIB info with different table ID # 30.45 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 30.46 [+0.01] TEST: Route in default VRF not removed [ OK ] # 30.51 [+0.05] TEST: Route removed in default VRF when source address deleted [ OK ] # 30.53 [+0.02] TEST: Route in VRF is not removed by address delete [ OK ] # 30.53 [+0.00] Table ID 0 # 30.55 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 30.75 [+0.19] # 30.75 [+0.00] IPv6 delete address route tests # 31.50 [+0.75] Single device using src address # 31.52 [+0.03] TEST: Prefsrc removed when src address removed on other device [ OK ] # 31.53 [+0.00] Two devices with the same source address # 31.55 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 31.58 [+0.03] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 31.58 [+0.00] VRF with single device using src address # 31.60 [+0.02] TEST: Prefsrc removed when src address removed on other device [ OK ] # 31.61 [+0.00] VRF with two devices using src address # 31.63 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 31.66 [+0.03] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 31.66 [+0.00] src address and nexthop dev in same VRF # 31.68 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 31.69 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 31.75 [+0.05] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 31.76 [+0.02] TEST: Prefsrc in default VRF removed [ OK ] # 31.77 [+0.00] src address and nexthop device in different VRF # 31.79 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 31.80 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 31.84 [+0.04] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 31.86 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 31.86 [+0.00] Table ID 0 # 31.88 [+0.02] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 31.88 [+0.00] Link local source route # 31.91 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 31.93 [+0.03] TEST: Prefsrc removed when delete ll addr [ OK ] # 31.95 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 31.99 [+0.04] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 32.34 [+0.35] # 32.34 [+0.00] IPv4 mangling tests # 35.74 [+3.40] TEST: Connection with correct parameters [ OK ] # 35.77 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 36.34 [+0.57] TEST: Connection with correct parameters - mangling [ OK ] # 36.90 [+0.56] TEST: Connection with correct parameters - no mangling [ OK ] # 36.91 [+0.01] TEST: Connection check - server side [ OK ] # 37.23 [+0.32] # 37.23 [+0.00] IPv6 mangling tests # 40.52 [+3.30] TEST: Connection with correct parameters [ OK ] # 40.55 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 41.11 [+0.56] TEST: Connection with correct parameters - mangling [ OK ] # 41.68 [+0.57] TEST: Connection with correct parameters - no mangling [ OK ] # 41.69 [+0.01] TEST: Connection check - server side [ OK ] # 42.00 [+0.31] # 42.00 [+0.00] IPv4 broadcast neighbour tests # 42.36 [+0.36] TEST: Resolved neighbour for broadcast address [ OK ] # 42.37 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 42.39 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 42.40 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 42.76 [+0.36] # 42.76 [+0.00] Fib6 garbage collection test # 54.96 [+12.20] TEST: ipv6 route garbage collection [ OK ] # 67.19 [+12.23] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 79.42 [+12.22] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 91.68 [+12.26] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 104.91 [+13.23] TEST: ipv6 route garbage collection (RA message) [ OK ] # 105.02 [+0.11] # 105.02 [+0.00] IPv4 multipath list receive tests # 106.27 [+1.26] TEST: Multipath route hit ratio (1.00) [ OK ] # 106.52 [+0.25] # 106.52 [+0.00] IPv6 multipath list receive tests # 107.79 [+1.27] TEST: Multipath route hit ratio (1.00) [ OK ] # 108.04 [+0.26] # 108.04 [+0.00] IPv4 multipath load balance test # 110.17 [+2.12] TEST: IPv4 multipath loadbalance [ OK ] # 110.46 [+0.30] # 110.46 [+0.00] IPv6 multipath load balance test # 114.80 [+4.34] TEST: IPv6 multipath loadbalance [ OK ] # 115.10 [+0.30] # 115.10 [+0.00] Tests passed: 231 # 115.10 [+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__->