Based on discussions with pjd@, it's better to change the dhclient
to use CAP_EVENT instead of CAP_EVENT_POLL as the latter has been
deprecated.
--- bpf.c.orig 2014-01-02 21:37:12.000000000 +0400
+++ bpf.c 2014-01-02 21:37:38.000000000 +0400
@@ -269,7 +269,7 @@ if_register_receive(struct interface_inf
if (ioctl(info->rfdesc, BIOCLOCK, NULL) < 0)
error("Cannot lock bpf");
- cap_rights_init(&rights, CAP_IOCTL, CAP_POLL_EVENT, CAP_READ);
+ cap_rights_init(&rights, CAP_IOCTL, CAP_EVENT, CAP_READ);
if (cap_rights_limit(info->rfdesc, &rights) < 0 && errno != ENOSYS)
error("Can't limit bpf descriptor: %m");
if (cap_ioctls_limit(info->rfdesc, cmds, 2) < 0 && errno != ENOSYS)
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