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 # 0.19 [+0.14] Start point # 0.20 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.21 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.25 [+0.03] Nexthop device deleted # 0.26 [+0.01] TEST: IPv4 fibmatch - no route [ OK ] # 0.27 [+0.01] TEST: IPv6 fibmatch - no route [ OK ] # 0.35 [+0.08] # 0.35 [+0.00] Multipath route test # 0.58 [+0.24] Start point # 0.60 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.61 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.64 [+0.03] 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 ] # 0.77 [+0.07] # 0.77 [+0.00] Single path, admin down # 0.94 [+0.18] Start point # 0.95 [+0.01] TEST: IPv4 fibmatch [ OK ] # 0.97 [+0.01] TEST: IPv6 fibmatch [ OK ] # 0.98 [+0.01] Route deleted on down # 0.99 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.00 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.06 [+0.06] # 1.06 [+0.00] Admin down multipath # 1.30 [+0.24] Verify start point # 1.31 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.33 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.34 [+0.01] One device down, one up # 1.35 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.37 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.38 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.39 [+0.01] TEST: IPv6 fibmatch on up device [ OK ] # 1.40 [+0.01] TEST: IPv4 flags on down device [ OK ] # 1.42 [+0.01] TEST: IPv6 flags on down device [ OK ] # 1.43 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.44 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.46 [+0.02] Other device down and up # 1.47 [+0.01] TEST: IPv4 fibmatch on down device [ OK ] # 1.48 [+0.01] TEST: IPv6 fibmatch on down device [ OK ] # 1.49 [+0.01] TEST: IPv4 fibmatch on up device [ OK ] # 1.51 [+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 ] # 1.55 [+0.01] TEST: IPv4 flags on up device [ OK ] # 1.56 [+0.01] TEST: IPv6 flags on up device [ OK ] # 1.57 [+0.01] Both devices down # 1.58 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.59 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.69 [+0.10] # 1.69 [+0.00] Local carrier tests - single path # 1.87 [+0.17] Start point # 1.88 [+0.01] TEST: IPv4 fibmatch [ OK ] # 1.89 [+0.01] TEST: IPv6 fibmatch [ OK ] # 1.90 [+0.01] TEST: IPv4 - no linkdown flag [ OK ] # 1.91 [+0.01] TEST: IPv6 - no linkdown flag [ OK ] # 2.93 [+1.02] Carrier off on nexthop # 2.94 [+0.01] TEST: IPv4 fibmatch [ OK ] # 2.96 [+0.01] TEST: IPv6 fibmatch [ OK ] # 2.97 [+0.01] TEST: IPv4 - linkdown flag set [ OK ] # 2.98 [+0.01] TEST: IPv6 - linkdown flag set [ OK ] # 3.00 [+0.02] Route to local address with carrier down # 3.01 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.02 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.04 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 3.05 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 3.12 [+0.07] # 3.12 [+0.00] Single path route carrier test # 3.30 [+0.18] Start point # 3.31 [+0.01] TEST: IPv4 fibmatch [ OK ] # 3.32 [+0.01] TEST: IPv6 fibmatch [ OK ] # 3.33 [+0.01] TEST: IPv4 no linkdown flag [ OK ] # 3.35 [+0.01] TEST: IPv6 no linkdown flag [ OK ] # 4.36 [+1.02] Carrier down # 4.37 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.39 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.40 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.41 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 4.43 [+0.02] Second address added with carrier down # 4.44 [+0.01] TEST: IPv4 fibmatch [ OK ] # 4.45 [+0.01] TEST: IPv6 fibmatch [ OK ] # 4.46 [+0.01] TEST: IPv4 linkdown flag set [ OK ] # 4.47 [+0.01] TEST: IPv6 linkdown flag set [ OK ] # 5.93 [+1.45] # 5.93 [+0.00] IPv4 nexthop tests # 5.93 [+0.00] <<< write me >>> # 5.96 [+0.03] # 5.96 [+0.00] IPv6 nexthop tests # 5.97 [+0.01] TEST: Directly connected nexthop, unicast address [ OK ] # 5.99 [+0.01] TEST: Directly connected nexthop, unicast address with device [ OK ] # 6.00 [+0.01] TEST: Gateway is linklocal address [ OK ] # 6.01 [+0.01] TEST: Gateway is linklocal address, no device [ OK ] # 6.03 [+0.01] TEST: Gateway can not be local unicast address [ OK ] # 6.04 [+0.01] TEST: Gateway can not be local unicast address, with device [ OK ] # 6.05 [+0.01] TEST: Gateway can not be a local linklocal address [ OK ] # 6.06 [+0.01] TEST: Gateway can be local address in a VRF [ OK ] # 6.08 [+0.01] TEST: Gateway can be local address in a VRF, with device [ OK ] # 6.09 [+0.01] TEST: Gateway can be local linklocal address in a VRF [ OK ] # 6.11 [+0.02] TEST: Redirect to VRF lookup [ OK ] # 6.12 [+0.01] TEST: VRF route, gateway can be local address in default VRF [ OK ] # 6.13 [+0.01] TEST: VRF route, gateway can not be a local address [ OK ] # 6.15 [+0.01] TEST: VRF route, gateway can not be a local addr with device [ OK ] # 6.34 [+0.20] # 6.34 [+0.00] FIB rule with suppress_prefixlength # 6.59 [+0.25] TEST: FIB rule suppress test [ OK ] # 6.84 [+0.25] # 6.84 [+0.00] Fib6 info length calculation in route notify test # 9.07 [+2.23] TEST: ipv6 route add notify [ OK ] # 9.36 [+0.29] # 9.36 [+0.00] Fib4 info length calculation in route notify test # 11.65 [+2.29] TEST: ipv4 route add notify [ OK ] # 12.30 [+0.64] # 12.30 [+0.00] IPv6 route add / append tests # 12.34 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 12.39 [+0.04] TEST: Attempt to add duplicate route - dev only [ OK ] # 12.44 [+0.06] TEST: Attempt to add duplicate route - reject route [ OK ] # 12.51 [+0.07] TEST: Append nexthop to existing route - gw [ OK ] # 12.55 [+0.05] TEST: Add multipath route [ OK ] # 12.60 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 12.67 [+0.06] TEST: Route add with different metrics [ OK ] # 12.70 [+0.03] TEST: Route delete with metric [ OK ] # 12.70 [+0.00] # 12.70 [+0.00] IPv6 route replace tests # 12.77 [+0.06] TEST: Single path with single path [ OK ] # 12.84 [+0.07] TEST: Single path with multipath [ OK ] # 12.90 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 12.95 [+0.06] TEST: Invalid nexthop [ OK ] # 13.00 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 13.07 [+0.06] TEST: Multipath with multipath [ OK ] # 13.13 [+0.06] TEST: Multipath with single path [ OK ] # 13.19 [+0.06] TEST: Multipath with single path via multipath attribute [ OK ] # 13.25 [+0.06] TEST: Multipath with dev-only [ OK ] # 13.31 [+0.06] TEST: Multipath - invalid first nexthop [ OK ] # 13.37 [+0.06] TEST: Multipath - invalid second nexthop [ OK ] # 13.42 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 13.43 [+0.00] # 13.43 [+0.00] IPv6 route with dsfield tests # 13.46 [+0.03] TEST: Reject route with dsfield [ OK ] # 14.42 [+0.96] # 14.42 [+0.00] IPv4 route add / append tests # 14.47 [+0.05] TEST: Attempt to add duplicate route - gw [ OK ] # 14.52 [+0.05] TEST: Attempt to add duplicate route - dev only [ OK ] # 14.57 [+0.05] TEST: Attempt to add duplicate route - reject route [ OK ] # 14.63 [+0.06] TEST: Add new nexthop for existing prefix [ OK ] # 14.69 [+0.06] TEST: Append nexthop to existing route - gw [ OK ] # 14.76 [+0.06] TEST: Append nexthop to existing route - dev only [ OK ] # 14.82 [+0.06] TEST: Append nexthop to existing route - reject route [ OK ] # 14.86 [+0.05] TEST: Append nexthop to existing reject route - gw [ OK ] # 14.91 [+0.05] TEST: Append nexthop to existing reject route - dev only [ OK ] # 14.96 [+0.05] TEST: add multipath route [ OK ] # 15.00 [+0.05] TEST: Attempt to add duplicate multipath route [ OK ] # 15.06 [+0.06] TEST: Route add with different metrics [ OK ] # 15.08 [+0.02] TEST: Route delete with metric [ OK ] # 15.09 [+0.00] # 15.09 [+0.00] IPv4 route replace tests # 15.14 [+0.06] TEST: Single path with single path [ OK ] # 15.20 [+0.06] TEST: Single path with multipath [ OK ] # 15.27 [+0.06] TEST: Single path with reject route [ OK ] # 15.32 [+0.06] TEST: Single path with single path via multipath attribute [ OK ] # 15.38 [+0.06] TEST: Invalid nexthop [ OK ] # 15.44 [+0.05] TEST: Single path - replace of non-existent route [ OK ] # 15.50 [+0.07] TEST: Multipath with multipath [ OK ] # 15.57 [+0.06] TEST: Multipath with single path [ OK ] # 15.64 [+0.07] TEST: Multipath with single path via multipath attribute [ OK ] # 15.71 [+0.07] TEST: Multipath with reject route [ OK ] # 15.77 [+0.07] TEST: Multipath - invalid first nexthop [ OK ] # 15.84 [+0.07] TEST: Multipath - invalid second nexthop [ OK ] # 15.89 [+0.05] TEST: Multipath - replace of non-existent route [ OK ] # 16.10 [+0.21] TEST: Cached route removed from VRF port device [ OK ] # 16.10 [+0.00] # 16.10 [+0.00] IPv4 route with dsfield tests # 16.12 [+0.02] TEST: Reject route with dsfield 0x01 [ OK ] # 16.14 [+0.02] TEST: Reject route with dsfield 0x02 [ OK ] # 16.15 [+0.01] TEST: Reject route with dsfield 0x03 [ OK ] # 16.19 [+0.04] TEST: IPv4 route with DSCP and ECN:Not-ECT [ OK ] # 16.20 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(1) [ OK ] # 16.21 [+0.01] TEST: IPv4 route with DSCP and ECN:ECT(0) [ OK ] # 16.23 [+0.01] TEST: IPv4 route with DSCP and ECN:CE [ OK ] # 16.24 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:Not-ECT [ OK ] # 16.25 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(1) [ OK ] # 16.26 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:ECT(0) [ OK ] # 16.27 [+0.01] TEST: IPv4 route with unknown DSCP and ECN:CE [ OK ] # 16.28 [+0.01] TEST: IPv4 route with no DSCP and ECN:Not-ECT [ OK ] # 16.30 [+0.01] TEST: IPv4 route with no DSCP and ECN:ECT(1) [ OK ] # 16.31 [+0.02] TEST: IPv4 route with no DSCP and ECN:ECT(0) [ OK ] # 16.32 [+0.01] TEST: IPv4 route with no DSCP and ECN:CE [ OK ] # 16.57 [+0.25] # 16.58 [+0.00] IPv6 prefix route tests # 16.87 [+0.30] TEST: Default metric [ OK ] # 16.92 [+0.04] TEST: User specified metric on first device [ OK ] # 16.96 [+0.04] TEST: User specified metric on second device [ OK ] # 16.98 [+0.02] TEST: Delete of address on first device [ OK ] # 17.00 [+0.02] TEST: Modify metric of address [ OK ] # 17.04 [+0.04] TEST: Prefix route removed on link down [ OK ] # 17.07 [+0.03] TEST: Prefix route with metric on link up [ OK ] # 17.11 [+0.04] TEST: Set metric with peer route on local side [ OK ] # 17.12 [+0.01] TEST: Set metric with peer route on peer side [ OK ] # 17.15 [+0.02] TEST: Modify metric and peer address on local side [ OK ] # 17.16 [+0.01] TEST: Modify metric and peer address on peer side [ OK ] # 17.29 [+0.14] # 17.29 [+0.00] IPv4 prefix route tests # 17.57 [+0.28] TEST: Default metric [ OK ] # 17.61 [+0.04] TEST: User specified metric on first device [ OK ] # 17.64 [+0.04] TEST: User specified metric on second device [ OK ] # 17.67 [+0.02] TEST: Delete of address on first device [ OK ] # 17.70 [+0.03] TEST: Modify metric of address [ OK ] # 17.72 [+0.02] TEST: Prefix route removed on link down [ OK ] # 17.75 [+0.02] TEST: Prefix route with metric on link up [ OK ] # 17.79 [+0.05] TEST: Modify metric of .0/24 address [ OK ] # 17.83 [+0.04] TEST: Set metric of address with peer route [ OK ] # 17.85 [+0.02] TEST: Modify metric and peer address for peer route [ OK ] # 18.02 [+0.17] # 18.02 [+0.00] IPv6 routes with metrics # 18.70 [+0.68] TEST: Single path route with mtu metric [ OK ] # 18.75 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on first [ OK ] # 18.79 [+0.04] TEST: Multipath route via 2 single routes with mtu metric on 2nd [ OK ] # 18.81 [+0.03] TEST: MTU of second leg [ OK ] # 18.84 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 18.87 [+0.04] TEST: Using route with mtu metric [ OK ] # 18.90 [+0.03] TEST: Invalid metric (fails metric_convert) [ OK ] # 19.18 [+0.29] # 19.19 [+0.00] IPv4 route add / append tests # 19.91 [+0.73] TEST: Single path route with mtu metric [ OK ] # 19.94 [+0.03] TEST: Multipath route with mtu metric [ OK ] # 19.97 [+0.03] TEST: Using route with mtu metric [ OK ] # 19.99 [+0.02] TEST: Invalid metric (fails metric_convert) [ OK ] # 20.23 [+0.24] # 20.23 [+0.00] IPv4 route with IPv6 gateway tests # 22.93 [+2.70] TEST: Single path route with IPv6 gateway [ OK ] # 22.97 [+0.04] TEST: Single path route with IPv6 gateway - ping [ OK ] # 22.98 [+0.02] TEST: Single path route delete [ OK ] # 23.01 [+0.03] TEST: Multipath route add - v6 nexthop then v4 [ OK ] # 23.04 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.06 [+0.02] TEST: Multipath route delete exact match [ OK ] # 23.07 [+0.01] TEST: Multipath route add - v4 nexthop then v6 [ OK ] # 23.10 [+0.03] TEST: Multipath route delete - nexthops in wrong order [ OK ] # 23.11 [+0.01] TEST: Multipath route delete exact match [ OK ] # 23.36 [+0.25] # 23.36 [+0.00] IPv4 rp_filter tests # 24.32 [+0.95] TEST: rp_filter passes local packets [ OK ] # 24.34 [+0.02] TEST: rp_filter passes loopback packets [ OK ] # 24.47 [+0.13] # 24.47 [+0.00] IPv4 delete address route tests # 24.90 [+0.44] Regular FIB info # 24.93 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 24.95 [+0.02] TEST: Route in default VRF not removed [ OK ] # 24.99 [+0.04] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.00 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.00 [+0.00] Identical FIB info with different table ID # 25.03 [+0.02] TEST: Route removed from VRF when source address deleted [ OK ] # 25.04 [+0.01] TEST: Route in default VRF not removed [ OK ] # 25.09 [+0.05] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.10 [+0.01] TEST: Route in VRF is not removed by address delete [ OK ] # 25.11 [+0.00] Table ID 0 # 25.12 [+0.02] TEST: Route removed in default VRF when source address deleted [ OK ] # 25.30 [+0.17] # 25.30 [+0.00] IPv6 delete address route tests # 25.98 [+0.68] Single device using src address # 26.01 [+0.03] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.01 [+0.00] Two devices with the same source address # 26.03 [+0.02] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.06 [+0.03] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.06 [+0.00] VRF with single device using src address # 26.09 [+0.03] TEST: Prefsrc removed when src address removed on other device [ OK ] # 26.09 [+0.00] VRF with two devices using src address # 26.12 [+0.03] TEST: Prefsrc not removed when src address exist on other device [ OK ] # 26.14 [+0.03] TEST: Prefsrc removed when src address removed on all devices [ OK ] # 26.15 [+0.00] src address and nexthop dev in same VRF # 26.17 [+0.02] TEST: Prefsrc removed from VRF when source address deleted [ OK ] # 26.18 [+0.01] TEST: Prefsrc in default VRF not removed [ OK ] # 26.23 [+0.04] TEST: Prefsrc not removed from VRF when source address exist [ OK ] # 26.24 [+0.01] TEST: Prefsrc in default VRF removed [ OK ] # 26.24 [+0.00] src address and nexthop device in different VRF # 26.27 [+0.02] TEST: Prefsrc not removed from VRF when nexthop dev in diff VRF [ OK ] # 26.28 [+0.01] TEST: Prefsrc not removed in default VRF [ OK ] # 26.31 [+0.03] TEST: Prefsrc removed from VRF when nexthop dev in diff VRF [ OK ] # 26.32 [+0.01] TEST: Prefsrc removed in default VRF [ OK ] # 26.33 [+0.00] Table ID 0 # 26.35 [+0.02] TEST: Prefsrc removed from default VRF when source address deleted [ OK ] # 26.35 [+0.00] Link local source route # 26.37 [+0.02] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.40 [+0.03] TEST: Prefsrc removed when delete ll addr [ OK ] # 26.41 [+0.01] TEST: Prefsrc not removed when delete ll addr from other dev [ OK ] # 26.45 [+0.04] TEST: Prefsrc removed even ll addr still exist on other dev [ OK ] # 26.78 [+0.33] # 26.78 [+0.00] IPv4 mangling tests # 30.00 [+3.22] TEST: Connection with correct parameters [ OK ] # 30.03 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 30.59 [+0.56] TEST: Connection with correct parameters - mangling [ OK ] # 31.15 [+0.56] TEST: Connection with correct parameters - no mangling [ OK ] # 31.16 [+0.01] TEST: Connection check - server side [ OK ] # 31.46 [+0.30] # 31.46 [+0.00] IPv6 mangling tests # 34.72 [+3.25] TEST: Connection with correct parameters [ OK ] # 34.75 [+0.03] TEST: Connection with incorrect parameters [ OK ] # 35.31 [+0.56] TEST: Connection with correct parameters - mangling [ OK ] # 35.87 [+0.56] TEST: Connection with correct parameters - no mangling [ OK ] # 35.88 [+0.01] TEST: Connection check - server side [ OK ] # 36.20 [+0.32] # 36.20 [+0.00] IPv4 broadcast neighbour tests # 36.55 [+0.35] TEST: Resolved neighbour for broadcast address [ OK ] # 36.56 [+0.01] TEST: Resolved neighbour for network broadcast address [ OK ] # 36.58 [+0.01] TEST: Unresolved neighbour for broadcast address [ OK ] # 36.59 [+0.01] TEST: Unresolved neighbour for network broadcast address [ OK ] # 36.89 [+0.29] # 36.89 [+0.00] Fib6 garbage collection test # 49.04 [+12.15] TEST: ipv6 route garbage collection [ OK ] # 61.23 [+12.19] TEST: ipv6 route garbage collection (with permanent routes) [ OK ] # 73.43 [+12.19] TEST: ipv6 route garbage collection (replace with expires) [ OK ] # 85.65 [+12.22] TEST: ipv6 route garbage collection (replace with permanent) [ OK ] # 98.85 [+13.20] TEST: ipv6 route garbage collection (RA message) [ OK ] # 98.96 [+0.11] # 98.96 [+0.00] IPv4 multipath list receive tests # 100.14 [+1.17] TEST: Multipath route hit ratio (1.00) [ OK ] # 100.40 [+0.26] # 100.40 [+0.00] IPv6 multipath list receive tests # 101.65 [+1.25] TEST: Multipath route hit ratio (1.00) [ OK ] # 101.90 [+0.25] # 101.90 [+0.00] IPv4 multipath load balance test # 104.04 [+2.14] TEST: IPv4 multipath loadbalance [ OK ] # 104.31 [+0.27] # 104.31 [+0.00] IPv6 multipath load balance test # 108.46 [+4.15] TEST: IPv6 multipath loadbalance [ OK ] # 108.74 [+0.28] # 108.74 [+0.00] Tests passed: 231 # 108.74 [+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__->