xfstests - xfs: egrep: warning: egrep is obsolescent; using grep -E

Snippet of test failure

# https://s3.us-east-1.amazonaws.com/arr-cki-prod-datawarehouse-public/datawarehouse-public/2022/09/06/redhat:632268578/build_x86_64_redhat:632268578_x86_64_debug/tests/4/results_0001/job.01/recipes/12565680/tasks/6/logs/taskout.log
generic/004       egrep: warning: egrep is obsolescent; using grep -E
egrep: warning: egrep is obsolescent; using grep -E
- output mismatch (see /var/lib/xfstests/results//generic/004.out.bad)
    --- tests/generic/004.out	2022-09-06 09:43:45.275417313 -0400
    +++ /var/lib/xfstests/results//generic/004.out.bad	2022-09-06 09:45:35.360133755 -0400
    @@ -1,4 +1,5 @@
     QA output created by 004
    +egrep: warning: egrep is obsolescent; using grep -E
     wrote 4096/4096 bytes at offset 0
     XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
     read 4096/4096 bytes at offset 0
    ...
    (Run 'diff -u /var/lib/xfstests/tests/generic/004.out /var/lib/xfstests/results//generic/004.out.bad'  to see the entire diff)
Ran: generic/004
Failures: generic/004
Failed 1 of 1 tests
...<snip>...................
generic/008 3s ... egrep: warning: egrep is obsolescent; using grep -E
egrep: warning: egrep is obsolescent; using grep -E
- output mismatch (see /var/lib/xfstests/results//generic/008.out.bad)
    --- tests/generic/008.out	2022-09-06 09:43:45.361424123 -0400
    +++ /var/lib/xfstests/results//generic/008.out.bad	2022-09-06 09:46:02.345270425 -0400
    @@ -1,4 +1,5 @@
     QA output created by 008
    +egrep: warning: egrep is obsolescent; using grep -E
     zero 0, 1
     wrote 1024/1024 bytes at offset 0
     XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
    ...
    (Run 'diff -u /var/lib/xfstests/tests/generic/008.out /var/lib/xfstests/results//generic/008.out.bad'  to see the entire diff)
Ran: generic/008
Failures: generic/008

Test logs on DataWarehouse

DataWarehouse issue

Additional details

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