Hi, I'm trying to rebuild laters ovn rpm from centos build system for el8s to copr for el9s.

It fails for me here:

sed -f ./build-aux/extract-odp-netlink-h < datapath/linux/compat/include/linux/openvswitch.h > include/odp-netlink.h
sh -f ./build-aux/extract-odp-netlink-macros-h include/odp-netlink.h > include/odp-netlink-macros.h
PYTHONPATH=./python":"$PYTHONPATH PYTHONDONTWRITEBYTECODE=yes /usr/bin/python3 ./ovsdb/ovsdb-idlc.in annotate ./vswitchd/vswitch.ovsschema ./lib/vswitch-idl.ann > lib/vswitch-idl.ovsidl.tmp && mv lib/vswitch-idl.ovsidl.tmp lib/vswitch-idl.ovsidl
PYTHONPATH=./python":"$PYTHONPATH PYTHONDONTWRITEBYTECODE=yes /usr/bin/python3 ./ovsdb/ovsdb-idlc.in c-idl-source lib/vswitch-idl.ovsidl > lib/vswitch-idl.c.tmp && mv lib/vswitch-idl.c.tmp lib/vswitch-idl.c
Traceback (most recent call last):
  File "/builddir/build/BUILD/ovn2.11-2.11.1/./ovsdb/ovsdb-idlc.in", line 1581, in <module>
    func(*args[1:])
  File "/builddir/build/BUILD/ovn2.11-2.11.1/./ovsdb/ovsdb-idlc.in", line 442, in printCIDLSource
    replace_cplusplus_keyword(schema)
  File "/builddir/build/BUILD/ovn2.11-2.11.1/./ovsdb/ovsdb-idlc.in", line 179, in replace_cplusplus_keyword
    for columnName in table.columns:
RuntimeError: dictionary keys changed during iteration
make: *** [Makefile:8534: lib/vswitch-idl.c] Error 1

Traceback (most recent call last):
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 1597, in <module>
    func(*args[1:])
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 458, in printCIDLSource
    replace_cplusplus_keyword(schema)
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 179, in replace_cplusplus_keyword
    for columnName in table.columns:
RuntimeError: dictionary keys changed during iteration
make: *** [Makefile:8383: lib/vswitch-idl.c] Error 1
make: *** Waiting for unfinished jobs....
Traceback (most recent call last):
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 1597, in <module>
    func(*args[1:])
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 185, in printCIDLHeader
    replace_cplusplus_keyword(schema)
  File "/builddir/build/BUILD/ovs-2.11.3/build-shared/../ovsdb/ovsdb-idlc.in", line 179, in replace_cplusplus_keyword
    for columnName in table.columns:
RuntimeError: dictionary keys changed during iteration
make: *** [Makefile:8385: lib/vswitch-idl.h] Error 1