Most recent failure [on master](https://cirrus-ci.com/task/6073953614561280) (https://github.com/bitcoin/bitcoin/commit/567670bec5ecf9bc252e91370382be53fd81ccee):
```bash
 test  2021-06-23T11:18:18.969000Z TestFramework.node0 (DEBUG): Node stopped 
 test  2021-06-23T11:18:18.969000Z TestFramework.bitcoincli (DEBUG): Running bitcoin-cli ['-rpcwait', '-rpcwaittimeout=5', 'echo'] 
 test  2021-06-23T11:18:23.001000Z TestFramework (ERROR): Assertion failed 
                                   Traceback (most recent call last):
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/test_framework.py", line 128, in main
                                       self.run_test()
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/interface_bitcoin_cli.py", line 257, in run_test
                                       assert_greater_than_or_equal(time.time(), start_time + 5)
                                     File "/tmp/cirrus-build/ci/scratch/build/bitcoin-x86_64-pc-linux-gnu/test/functional/test_framework/util.py", line 61, in assert_greater_than_or_equal
                                       raise AssertionError("%s < %s" % (str(thing1), str(thing2)))
                                   AssertionError: 1624447103.0015192 < 1624447103.969648
 test  2021-06-23T11:18:23.004000Z TestFramework (DEBUG): Closing down network thread 
 test  2021-06-23T11:18:23.055000Z TestFramework (INFO): Stopping nodes 
```
+ strprintf("An optional integer argument from 0 to %d can be passed for different peers listings; %d to 255 are parsed as %d.\n", MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL, MAX_DETAIL_LEVEL) +
        "Pass \"help\" to see this detailed help documentation.\n"
        "If more than one argument is passed, only the first one is read and parsed.\n"
        "Suggestion: use with the Linux watch(1) command for a live dashboard; see example below.\n\n"
        "Arguments:\n"
        + strprintf("1. level (integer 0-%d, optional)  Specify the info level of the peers dashboard (default 0):\n", MAX_DETAIL_LEVEL) +
        "                                  0 - Connection counts and local addresses\n"
        "                                  1 - Like 0 but with a peers listing (without address or version columns)\n"
        "                                  2 - Like 1 but with an address column\n"
        "                                  3 - Like 1 but with a version column\n"
        "                                  4 - Like 1 but with both address and version columns\n"
        "2. help (string \"help\", optional) Print this help documentation instead of the dashboard.\n\n"
        "Result:\n\n"
        + strprintf("* The peers listing in levels 1-%d displays all of the peers sorted by direction and minimum ping time:\n\n", MAX_DETAIL_LEVEL) +
        "  Column   Description\n"
        "  ------   -----------\n"
        "  <->      Direction\n"
        "           \"in\"  - inbound connections are those initiated by the peer\n"
        "           \"out\" - outbound connections are those initiated by us\n"
        "  type     Type of peer connection\n"
        "           \"full\"   - full relay, the default\n"
        "           \"block\"  - block relay; like full relay but does not relay transactions or addresses\n"
        "           \"manual\" - peer we manually added using RPC addnode or the -addnode/-connect config options\n"
        "           \"feeler\" - short-lived connection for testing addresses\n"
        "           \"addr\"   - address fetch; short-lived connection for requesting addresses\n"
        "  net      Network the peer connected through (\"ipv4\", \"ipv6\", \"onion\", \"i2p\", or \"cjdns\")\n"
        "  mping    Minimum observed ping time, in milliseconds (ms)\n"
        "  ping     Last observed ping time, in milliseconds (ms)\n"
        "  send     Time since last message sent to the peer, in seconds\n"
        "  recv     Time since last message received from the peer, in seconds\n"