build: golang.org/x/net/dns/dnsmessage failures

[gopherbot]

#!watchflakes
default <- repo == "net" && pkg == "" && test == "golang.org/x/net/dns/dnsmessage"

Issue created automatically to collect these failures.

Example (log):

*** Test killed with quit: ran too long (11m0s).
signal: killed
FAIL	golang.org/x/net/dns/dnsmessage	720.006s

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- repo == "net" && pkg == "" && test == "golang.org/x/net/dns/dnsmessage"

2024-05-30 19:26 x_net-go1.21-plan9-arm net@56082791 release-branch.go1.21@9488a444 golang.org/x/net/dns/dnsmessage (log)

*** Test killed with quit: ran too long (11m0s).
signal: killed
FAIL	golang.org/x/net/dns/dnsmessage	720.006s

2024-05-30 19:56 x_net-go1.21-plan9-arm net@67e8d0c9 release-branch.go1.21@9488a444 golang.org/x/net/dns/dnsmessage (log)

*** Test killed with quit: ran too long (11m0s).
signal: killed
FAIL	golang.org/x/net/dns/dnsmessage	720.005s

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- repo == "net" && pkg == "" && test == "golang.org/x/net/dns/dnsmessage"

2024-06-04 17:07 x_net-gotip-plan9-arm net@66e838c6 go@0d478d8e golang.org/x/net/dns/dnsmessage (log)

kex_exchange_identification: read: Connection reset by peer
Connection reset by 192.168.23.70 port 22
FAIL	golang.org/x/net/dns/dnsmessage	0.017s

— watchflakes

[cherrymui]

Dup of #49338