[tor-relays] Guard flag flapping

[Green Dream]

P.S. Here's some additional data from the server. I just ran these
commands, with the two relays still running.

$ speedtest-cli
Retrieving speedtest.net configuration...
Retrieving speedtest.net server list...
Selecting best server based on latency...
Hosted by City of Sandy-SandyNet Fiber (Sandy, OR) [1.91 km]: 15.696 ms
Testing download speed........................................
Download: 719.17 Mbit/s
Testing upload speed..................................................
Upload: 166.69 Mbit/s

$ sudo sysctl -p
net.ipv4.ip_forward = 1
net.ipv4.ip_local_port_range = 10000 61000
net.ipv4.tcp_fin_timeout = 30
net.ipv4.tcp_no_metrics_save = 1
net.ipv4.tcp_tw_recycle = 1
fs.file-max = 64000

$ sudo su debian-tor --shell /bin/bash --command "ulimit -Sn"
64000
$ sudo su debian-tor --shell /bin/bash --command "ulimit -Hn"
64000

$ ss -s
Total: 2314 (kernel 0)
TCP:   2262 (estab 2195, closed 10, orphaned 38, synrecv 0, timewait 9/0),
ports 0

Transport Total     IP        IPv6
*         0         -         -
RAW       0         0         0
UDP       6         4         2
TCP       2252      2250      2
INET      2258      2254      4
FRAG      0         0         0

$ uptime
 15:06:26 up 7 days, 20:57,  2 users,  load average: 0.50, 0.49, 0.59
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