Fix traceroute6
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Authored by tuexen on Oct 4 2022, 8:41 PM.

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	F154472327: D36878.id111442.diff
	Tue, Apr 28, 5:10 PM

	F154470589: D36878.id111442.diff
	Tue, Apr 28, 5:05 PM

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imp

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Reviewers

markj

Commits

rG0c38bb448caa: traceroute6: fix capabilities for the rcv socket
rG8ff4fc03e693: traceroute6: fix capabilities for the rcv socket

Summary

On the receive socket, recvmsg() and poll()/select() is called. Therefore, CAP_EVENT is needed.
While there, check the socket for readbility before calling recvmsg().
With the missing event capabilities, poll() never timed out and reported always POLLNVAL in revents. Then recvmsg() blocked....