x/net/ipv4: TestRawConnReadWriteUnicastICMP failures

[gopherbot]

#!watchflakes
default <- pkg == "golang.org/x/net/ipv4" && test == "TestRawConnReadWriteUnicastICMP"

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestRawConnReadWriteUnicastICMP (0.00s)
    unicast_test.go:234: got type=destination unreachable, code=3; want type=echo reply, code=0

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "golang.org/x/net/ipv4" && test == "TestRawConnReadWriteUnicastICMP"

2024-04-18 22:01 aix-ppc64 net@f95a3b3a go@44b54b99 x/net/ipv4.TestRawConnReadWriteUnicastICMP (log)

--- FAIL: TestRawConnReadWriteUnicastICMP (0.00s)
    unicast_test.go:234: got type=destination unreachable, code=3; want type=echo reply, code=0

— watchflakes