Add invalid and reply flags validate in the fl_validate_ct_state.
This makes the checking complete if compared to ovs'
validate_ct_state().
Signed-off-by: Nwenxu <wenxu@ucloud.cn>
Reviewed-by: NMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Link: https://lore.kernel.org/r/1614064315-364-1-git-send-email-wenxu@ucloud.cnSigned-off-by: NJakub Kicinski <kuba@kernel.org>