STEP_033F_ROLLBACK_CANARY_RUNTIME PASS_CANARY_RUNTIME_ROLLED_BACK
timestamp: 20260708-111733

Action:
- deleted runtime nft canary table inet router_egress_canary

Validation:
- canary_absent_after_lines: 1
- fwmark_rule203_lines: 1
- table200_default_vpn1_lines: 1
- unmarked_route_vpn1_lines: 1
- marked_route_vpn3_lines: 1
- uci_pending_lines: 0

Remote changes:
- runtime nft canary removed
- fwmark rules preserved
- no UCI changes
