teuthology/task: use grep switch instead of egrep

[batrick]

Resolves:

2025-11-30T03:49:48.951 DEBUG:teuthology.task.internal.syslog:Checking ubuntu@smithi155.front.sepia.ceph.com
2025-11-30T03:49:48.952 DEBUG:teuthology.orchestra.run.smithi155:> egrep --binary-files=text '\bBUG\b|\bINFO\b|\bDEADLOCK\b' /home/ubuntu/cephtest/archive/syslog/kern.log | grep -v 'task .* blocked for more than .* seconds' | grep -v 'lockdep is turned off' | grep -v 'trying to register non-static key' | grep -v 'DEBUG: fsize' | grep -v CRON | grep -v 'BUG: bad unlock balance detected' | grep -v 'inconsistent lock state' | grep -v '*** DEADLOCK ***' | grep -v 'INFO: possible irq lock inversion dependency detected' | grep -v 'INFO: NMI handler (perf_event_nmi_handler) took too long to run' | grep -v 'INFO: recovery required on readonly' | grep -v 'ceph-create-keys: INFO' | grep -v INFO:ceph-create-keys | grep -v 'Loaded datasource DataSourceOpenStack' | grep -v 'container-storage-setup: INFO: Volume group backing root filesystem could not be determined' | egrep -v '\bsalt-master\b|\bsalt-minion\b|\bsalt-api\b' | grep -v ceph-crash | egrep -v '\btcmu-runner\b.*\bINFO\b' | head -n 1
2025-11-30T03:49:48.983 INFO:teuthology.orchestra.run.smithi155.stderr:egrep: warning: egrep is obsolescent; using grep -E
2025-11-30T03:49:48.983 INFO:teuthology.orchestra.run.smithi155.stderr:egrep: warning: egrep is obsolescent; using grep -E
2025-11-30T03:49:48.983 INFO:teuthology.orchestra.run.smithi155.stderr:egrep: warning: egrep is obsolescent; using grep -E

Fixes: https://tracker.ceph.com/issues/74259

[dmick]

Maybe "grep -E" instead of "switch to" in commit msg/pr title

[batrick]

Maybe "grep -E" instead of "switch to" in commit msg/pr title

Ya that was garbled. I made a correction (Note: I try to avoid hyphens in commit titles.)

[gregsfortytwo]

That tracker ticket does not match the PR. Please be fixing somehow or other.

[batrick]

That tracker ticket does not match the PR. Please be fixing somehow or other.

Not sure why I had that tracking number in this PR at all. I've created a new one and amended the commit/pr.

[dmick]

👍

[kshtsk]

Looks good to me