[This bridge crash](https://cockpit-logs.us-east-1.linodeobjects.com/pull-20278-1977429a-20240409-093806-arch-expensive/log.html#28) is unrelated, but may be interesting?

[allisonkarlitskaya]

          [This bridge crash](https://cockpit-logs.us-east-1.linodeobjects.com/pull-20278-1977429a-20240409-093806-arch-expensive/log.html#28) is unrelated, but may be interesting?

Originally posted by @martinpitt in #20278 (comment)

Apr 09 09:42:39 archlinux cockpit-ws[651]: asyncio-ERROR: Exception in callback None()
Apr 09 09:42:39 archlinux cockpit-ws[651]: handle: <Handle cancelled>
Apr 09 09:42:39 archlinux cockpit-ws[651]: Traceback (most recent call last):
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/asyncio/events.py", line 84, in _run
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self._context.run(self._callback, *self._args)
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/transports.py", line 110, in _read_ready
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self._protocol.data_received(data)
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/protocol.py", line 193, in data_received
Apr 09 09:42:39 archlinux cockpit-ws[651]:     result = self.consume_one_frame(self.buffer)
Apr 09 09:42:39 archlinux cockpit-ws[651]:              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/protocol.py", line 143, in consume_one_frame
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self.frame_received(data[start:end])
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/protocol.py", line 97, in frame_received
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self.control_received(data)
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/protocol.py", line 107, in control_received
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self.channel_control_received(channel, command, message)
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/peer.py", line 212, in channel_control_received
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self.send_channel_control(channel, command, message)
Apr 09 09:42:39 archlinux cockpit-ws[651]:   File "/usr/lib/python3.11/site-packages/cockpit/router.py", line 101, in send_channel_control
Apr 09 09:42:39 archlinux cockpit-ws[651]:     self.router.endpoints[self].remove(channel)
Apr 09 09:42:39 archlinux cockpit-ws[651]:     ~~~~~~~~~~~~~~~~~~~~~^^^^^^
Apr 09 09:42:39 archlinux cockpit-ws[651]: KeyError: <cockpit.superuser.SuperuserPeer object at 0x7762d99fe650>