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	# Copyright VyOS maintainers and contributors <maintainers@vyos.io>
	#
	# This library is free software; you can redistribute it and/or
	# modify it under the terms of the GNU Lesser General Public
	# License as published by the Free Software Foundation; either
	# version 2.1 of the License, or (at your option) any later version.
	#
	# This library is distributed in the hope that it will be useful,
	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	# Lesser General Public License for more details.
	#
	# You should have received a copy of the GNU Lesser General Public License
	# along with this library. If not, see <http://www.gnu.org/licenses/>.

	# Delete 'vpp settings interface ethX xdp-options no-syscall-lock'
	# since it is set automatically

	from vyos.configtree import ConfigTree

	base = ['vpp', 'settings', 'interface']

	def migrate(config: ConfigTree) -> None:
	if not config.exists(base):
	# Nothing to do
	return

	for iface_name in config.list_nodes(base):
	xdp_options_base = base + [iface_name, 'xdp-options']
	if config.exists(xdp_options_base + ['no-syscall-lock']):
	# Delete no-syscall-lock option from configuration
	config.delete(xdp_options_base + ['no-syscall-lock'])
	if config.exists(xdp_options_base) and len(config.list_nodes(xdp_options_base)) == 0:
	config.delete(xdp_options_base)