kapacitor task delete hangs if post endpoint is unresponsive

When posting to an external endpoint if the external endpoint becomes unresponsive, trying to delete the kapacitor task results in kapacitor hanging indefinitely.

example tick script below

ID: api-v1-thresholds-fd658087-b9ee-459f-825f-196b0f5bb15b
Error:
Template:
Type: stream
Status: enabled
Executing: true
Created: 24 Jan 17 18:56 UTC
Modified: 24 Jan 17 18:56 UTC
LastEnabled: 24 Jan 17 18:56 UTC
Databases Retention Policies: ["test"."default"]
TICKscript:
// auto-generated by threshman on 2017-01-24T18:56:03.842Z
stream
|from()
.measurement('8c6fff5d-c3a0-47f6-8b60-f1c54d0b8abd,env:testing')
|default()
.field('value', -1)
|where(lambda: "value" > 5)
|stats(15s)
|derivative('emitted')
.unit(15s)
.nonNegative()
|default()
.tag('thresholdId', 'fd658087-b9ee-459f-825f-196b0f5bb15b')
|alert()
.id('fd658087-b9ee-459f-825f-196b0f5bb15b')
.message('threshold \'test_deadman_metric\' is {{ if eq .Level "OK" }}ok{{ else }}breached{{ end }}, minThroughput: 0.99 points/15s, currentThroughput: {{ index .Fields "emitted" }} points/15s, currentValues: ')
.crit(lambda: "emitted" <= 0.99)
.post('http://')

DOT:
digraph api-v1-thresholds-fd658087-b9ee-459f-825f-196b0f5bb15b {
graph [throughput="0.00 points/s"];

stream0 [avg_exec_time_ns="0s" ];
stream0 -> from1 [processed="0"];

from1 [avg_exec_time_ns="0s" ];
from1 -> default2 [processed="0"];

default2 [avg_exec_time_ns="0s" fields_defaulted="0" tags_defaulted="0" ];
default2 -> where3 [processed="0"];

where3 [avg_exec_time_ns="0s" ];
where3 -> noop5 [processed="0"];

noop5 [avg_exec_time_ns="0s" ];

stats4 [avg_exec_time_ns="12.933µs" ];
stats4 -> derivative6 [processed="9"];

derivative6 [avg_exec_time_ns="2.756µs" ];
derivative6 -> default7 [processed="8"];

default7 [avg_exec_time_ns="1.429µs" fields_defaulted="0" tags_defaulted="8" ];
default7 -> alert8 [processed="8"];

alert8 [alerts_triggered="8" avg_exec_time_ns="0s" crits_triggered="8" infos_triggered="0" oks_triggered="0" warns_triggered="0" ];
}