Warnings "Cannot load Xdebug - it was already loaded" in /var/log/apache2/error.log for every HTTP request

[evlist]

@evlist ➜ /workspaces/codespaces-grafting (main) $ sudo tail -f /var/log/apache2/error.log
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
[Thu Jan 08 10:46:14.436986 2026] [mpm_prefork:notice] [pid 691] AH00169: caught SIGTERM, shutting down
Cannot load Xdebug - it was already loaded
[Thu Jan 08 10:46:15.438489 2026] [mpm_prefork:notice] [pid 1353] AH00163: Apache/2.4.58 (Ubuntu) configured -- resuming normal operations
[Thu Jan 08 10:46:15.438537 2026] [core:notice] [pid 1353] AH00094: Command line: '/usr/sbin/apache2'
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded
Cannot load Xdebug - it was already loaded