net: TestWriteToTimeout failures with ENOBUFS on netbsd builders #49930
Description
--- FAIL: TestWriteToTimeout (0.00s)
timeout_test.go:630: #1/1: write udp 127.0.0.1:65293->127.0.0.1:65295: sendto: no buffer space available
FAIL
FAIL net 39.059s
greplogs --dashboard -md -l -e 'FAIL: TestWriteToTimeout'
2021-12-01T17:01:41-8ebb8c9/netbsd-386-9_0-n1
2021-11-27T01:14:21-fad67f8/netbsd-amd64-9_0
2021-11-24T21:09:36-7e5331a/netbsd-amd64-9_0-n1
2021-11-22T22:35:55-1197235/netbsd-amd64-9_0
2021-11-22T03:24:07-a287c4a/netbsd-amd64-9_0-n1
2021-11-05T21:29:18-75952ab/netbsd-arm64-bsiegert
2021-07-07T21:57:42-991fd38/netbsd-arm64-bsiegert
2021-05-07T02:17:32-d2b0311/netbsd-arm64-bsiegert
2021-04-29T20:46:14-fd09593/netbsd-arm64-bsiegert
2021-04-26T20:48:16-a53dc4c/netbsd-arm64-bsiegert
2021-04-16T22:45:02-14dbd6e/netbsd-arm-bsiegert
2021-04-13T13:56:21-13a4e8c/netbsd-arm64-bsiegert
2021-03-15T12:30:38-4350e49/netbsd-arm-bsiegert
2021-03-09T02:20:55-618b66e/netbsd-arm64-bsiegert
2021-02-24T04:11:43-6ba4a30/netbsd-arm64-bsiegert
2020-10-31T08:31:08-12a2e72/netbsd-arm64-bsiegert
2020-10-29T00:19:20-d8044a6/netbsd-arm64-bsiegert
2020-10-27T03:58:50-4f2d213/netbsd-arm-bsiegert
2020-09-14T17:07:47-86dbeef/netbsd-arm-bsiegert
2020-01-04T01:24:42-2ee2c62/netbsd-arm-bsiegert
(Compare #37319.)