x/build: `502 Bad Gateway` ssh'ing to an `android-amd64-emu` gomote

[bcmills]

go1.20.3 version -m $(which gomote)

~/go-review$ go1.20.3 version -m $(which gomote)
/usr/local/google/home/bcmills/bin/gomote: go1.20.3
	path	golang.org/x/build/cmd/gomote
	mod	golang.org/x/build	v0.0.0-20230424163526-a977bfd503ff	h1:dMuFf7qzs3g/lb1o2AqYPntBtzgEY/KVWU1jk6cSHHI=
	dep	cloud.google.com/go/compute	v1.3.0	h1:mPL/MzDDYHsh5tHRS9mhmhWlcgClCrCa6ApQCU6wnHI=
	dep	github.com/aws/aws-sdk-go	v1.30.15	h1:Sd8QDVzzE8Sl+xNccmdj0HwMrFowv6uVUx9tGsCE1ZE=
	dep	github.com/golang/groupcache	v0.0.0-20210331224755-41bb18bfe9da	h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
	dep	github.com/golang/protobuf	v1.5.2	h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
	dep	github.com/googleapis/gax-go/v2	v2.1.1	h1:dp3bWCh+PPO1zjRRiCSczJav13sBvG4UhNyVTa1KqdU=
	dep	github.com/jmespath/go-jmespath	v0.4.0	h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
	dep	go.opencensus.io	v0.23.0	h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
	dep	golang.org/x/net	v0.7.0	h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
	dep	golang.org/x/oauth2	v0.0.0-20220223155221-ee480838109b	h1:clP8eMhB30EHdc0bd2Twtq6kgU7yl5ub2cQLSdrv1Dg=
	dep	golang.org/x/sync	v0.0.0-20220722155255-886fb9371eb4	h1:uVc8UZUe6tr40fFVnUP5Oj+veunVezqYl9z7DYw9xzw=
	dep	golang.org/x/sys	v0.5.0	h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
	dep	golang.org/x/text	v0.7.0	h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
	dep	golang.org/x/time	v0.0.0-20210723032227-1f47c861a9ac	h1:7zkz7BUtwNFFqcowJ+RIgu2MaV/MapERkDIy+mwPyjs=
	dep	google.golang.org/api	v0.70.0	h1:67zQnAE0T2rB0A3CwLSas0K+SbVzSxP+zTLkQLexeiw=
	dep	google.golang.org/genproto	v0.0.0-20220222213610-43724f9ea8cf	h1:SVYXkUz2yZS9FWb2Gm8ivSlbNQzL2Z/NpPKE3RG2jWk=
	dep	google.golang.org/grpc	v1.44.0	h1:weqSxi/TMs1SqFRMHCtBgXRs8k3X39QIDEZ0pRcttUg=
	dep	google.golang.org/protobuf	v1.28.1	h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
	build	-buildmode=exe
	build	-compiler=gc
	build	CGO_ENABLED=1
	build	CGO_CFLAGS=
	build	CGO_CPPFLAGS=
	build	CGO_CXXFLAGS=
	build	CGO_LDFLAGS=
	build	GOARCH=amd64
	build	GOOS=linux
	build	GOAMD64=v1

What did you do?

$ gomote create android-amd64-emu
$ gomote ssh bcmills-android-amd64-emu-0

What did you expect to see?

Successful ssh connection to a host with an Android emulator environment installed.

What did you see instead?

$ /usr/bin/ssh -o CertificateFile=/tmp/.gomote/id_ed25519-2589013181-cert.pub -i /usr/local/google/home/bcmills/.config/gomote/.ssh/id_ed25519 -p 2222 bcmills-android-amd64-emu-0@farmer.golang.org
Enter passphrase for key '/usr/local/google/home/bcmills/.config/gomote/.ssh/id_ed25519':
# Welcome to the gomote ssh proxy.
# Connecting to/starting remote ssh...
#
failed to connect to ssh on bcmills-android-amd64-emu-0: unexpected /connect-ssh response: 502 Bad Gateway, dial tcp [::1]:2200: connect: connection refused

Connection to farmer.golang.org closed.

[dmitshur]

CC @golang/release.