Test failure in CI build 4362

[tbg]

The following test appears to have failed:

#4362:

I0701 03:20:11.462764     306 server.go:111] gossip: received 1 info(s) from 127.0.0.1:35185
I0701 03:20:11.463362     306 client.go:121] client 127.0.0.1:56544 connected
I0701 03:20:11.463566     306 client.go:121] client 127.0.0.1:56544 connected
I0701 03:20:11.463769     306 client.go:121] client 127.0.0.1:35185 connected
I0701 03:20:11.463955     306 client.go:121] client 127.0.0.1:35185 connected
panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x20 pc=0xaafa36]

goroutine 226 [running]:
github.com/cockroachdb/cockroach/proto.FromNetAddr(0x0, 0x0, 0x0)
    /go/src/github.com/cockroachdb/cockroach/proto/gossip.go:29 +0x36
github.com/cockroachdb/cockroach/gossip.(*client).gossip(0xc20806b2c0, 0xc20807a900, 0xc2080a4ae0, 0x0, 0x0)
    /go/src/github.com/cockroachdb/cockroach/gossip/client.go:124 +0x5e9
github.com/cockroachdb/cockroach/gossip.func·001()
    /go/src/github.com/cockroachdb/cockroach/gossip/client.go:85 +0x320
github.com/cockroachdb/cockroach/util.func·001()
--
goroutine 247 [runnable]:
github.com/cockroachdb/cockroach/gossip.func·013()
    /go/src/github.com/cockroachdb/cockroach/gossip/infostore.go:296
created by github.com/cockroachdb/cockroach/gossip.(*infoStore).processCallbacks
    /go/src/github.com/cockroachdb/cockroach/gossip/infostore.go:300 +0x40a
FAIL    github.com/cockroachdb/cockroach/kv 0.903s
=== RUN TestHeartbeatSingleGroup
--- PASS: TestHeartbeatSingleGroup (0.34s)
=== RUN TestHeartbeatMultipleGroupsJointLeader
--- PASS: TestHeartbeatMultipleGroupsJointLeader (0.03s)
=== RUN TestHeartbeatResponseFanout
I0701 03:20:13.442765     316 heartbeat_test.go:377] SubmitCommand succeed after Heartbeat Response fanout
--- PASS: TestHeartbeatResponseFanout (0.09s)
=== RUN TestInitialLeaderElection
I0701 03:20:13.460290     316 multiraft_test.go:183] testing leader election for node 0
I0701 03:20:13.493099     316 multiraft_test.go:183] testing leader election for node 1

Please assign, take a look and update the issue accordingly.

[bdarnell]

Looks like #1563 is still around.