MatrixSyncMaxTimeoutReached in SP runs

[karlb]

Recently, a number of scenarios failed due to MatrixSyncMaxTimeoutReached:

yzma:/data/scenario-player/scenarios# zgrep MatrixSyncMaxTimeoutReached **/*.stderr -l
bf1_basic_functionality/node_5503_001/run-5503.stderr
bf1_basic_functionality/node_5511_002/run-5511.stderr
bf1_basic_functionality/node_5511_004/run-5511.stderr
mfee2_proportional_fees/node_5486_001/run-5486.stderr
mfee2_proportional_fees/node_5494_001/run-5494.stderr
mfee3_only_imbalance_fees/node_5485_001/run-5485.stderr
pfs2_simple_no_path/node_5484_002/run-5484.stderr
pfs4_use_best_path/node_5473_000/run-5473.stderr
pfs4_use_best_path/node_5473_001/run-5473.stderr
pfs5_too_low_capacity/node_5474_001/run-5474.stderr
pfs5_too_low_capacity/node_5474_002/run-5474.stderr
pfs5_too_low_capacity/node_5474_004/run-5474.stderr
pfs5_too_low_capacity/node_5481_003/run-5481.stderr
pfs5_too_low_capacity/node_5481_004/run-5481.stderr
pfs6_simple_path_rewards/node_0264_000/run-264.stderr
pfs9_partial_withdraw/node_0258_004/run-258.stderr

kronk:/data/scenario-player/scenarios# zgrep MatrixSyncMaxTimeoutReached **/*.stderr -l
bf2_long_running/node_5493_000/run-5493.stderr
bf2_long_running/node_5501_002/run-5501.stderr
bf3_multi_directional_payment/node_5469_002/run-5469.stderr
bf3_multi_directional_payment/node_5470_001/run-5470.stderr
bf3_multi_directional_payment/node_5477_004/run-5477.stderr
bf4_multi_payments_same_node/node_5467_005/run-5467.stderr
bf4_multi_payments_same_node/node_5468_003/run-5468.stderr
bf4_multi_payments_same_node/node_5468_004/run-5468.stderr
bf4_multi_payments_same_node/node_5475_002/run-5475.stderr
bf6_stress_hub_node/node_5452_006/run-5452.stderr
bf6_stress_hub_node/node_5466_007/run-5466.stderr
bf6_stress_hub_node/node_5466_008/run-5466.stderr
bf6_stress_hub_node/node_5467_002/run-5467.stderr
bf6_stress_hub_node/node_5467_004/run-5467.stderr
bf6_stress_hub_node/node_5471_005/run-5471.stderr
bf6_stress_hub_node/node_5471_007/run-5471.stderr
bf6_stress_hub_node/node_5474_001/run-5474.stderr
bf6_stress_hub_node/node_5474_007/run-5474.stderr
bf7_long_path/node_5445_004/run-5445.stderr
bf7_long_path/node_5449_002/run-5449.stderr
bf7_long_path/node_5455_000/run-5455.stderr
bf7_long_path/node_5455_010/run-5455.stderr
bf7_long_path/node_5461_001/run-5461.stderr
bf7_long_path/node_5461_007/run-5461.stderr
bf7_long_path/node_5461_009/run-5461.stderr
bf7_long_path/node_5461_013/run-5461.stderr
bf7_long_path/node_5463_005/run-5463.stderr
bf7_long_path/node_5463_006/run-5463.stderr
bf7_long_path/node_5463_007/run-5463.stderr
bf7_long_path/node_5463_014/run-5463.stderr
bf7_long_path/node_5464_000/run-5464.stderr
bf7_long_path/node_5464_005/run-5464.stderr
bf7_long_path/node_5464_006/run-5464.stderr
bf7_long_path/node_5464_008/run-5464.stderr
bf7_long_path/node_5464_009/run-5464.stderr
bf7_long_path/node_5464_010/run-5464.stderr
bf7_long_path/node_5464_012/run-5464.stderr
bf7_long_path/node_5466_001/run-5466.stderr
bf7_long_path/node_5466_004/run-5466.stderr
bf7_long_path/node_5466_010/run-5466.stderr
bf7_long_path/node_5466_012/run-5466.stderr
bf7_long_path/node_5466_014/run-5466.stderr
bf7_long_path/node_5468_002/run-5468.stderr
bf7_long_path/node_5468_004/run-5468.stderr
bf7_long_path/node_5471_000/run-5471.stderr
bf7_long_path/node_5471_001/run-5471.stderr
bf7_long_path/node_5471_002/run-5471.stderr
bf7_long_path/node_5471_004/run-5471.stderr
bf7_long_path/node_5471_006/run-5471.stderr
bf7_long_path/node_5471_010/run-5471.stderr
bf7_long_path/node_5471_011/run-5471.stderr
bf7_long_path/node_5471_013/run-5471.stderr
mfee1_flat_fee/node_5461_000/run-5461.stderr
mfee1_flat_fee/node_5469_000/run-5469.stderr
mfee1_flat_fee/node_5469_001/run-5469.stderr
mfee1_flat_fee/node_5469_002/run-5469.stderr
mfee4_combined_fees/node_5467_000/run-5467.stderr
pfs1_get_a_simple_path/node_5448_000/run-5448.stderr