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32abfca)
Bug #5844 reports several log messages of the form:
netdev_linux|ERR|ioctl(SIOCGIFHWADDR) on vif426.1 device failed: No
such device
during migrations. These are normal and unavoidable, because the vifs
disappear from the kernel before they are removed them from the OVS
database. Reduce the log level to avoid making people worry.
Bug #5844.
ovs_strzcpy(ifr.ifr_name, netdev_name, sizeof ifr.ifr_name);
COVERAGE_INC(netdev_get_hwaddr);
if (ioctl(af_inet_sock, SIOCGIFHWADDR, &ifr) < 0) {
ovs_strzcpy(ifr.ifr_name, netdev_name, sizeof ifr.ifr_name);
COVERAGE_INC(netdev_get_hwaddr);
if (ioctl(af_inet_sock, SIOCGIFHWADDR, &ifr) < 0) {
- VLOG_ERR("ioctl(SIOCGIFHWADDR) on %s device failed: %s",
- netdev_name, strerror(errno));
+ /* ENODEV probably means that a vif disappeared asynchronously and
+ * hasn't been removed from the database yet, so reduce the log level
+ * to INFO for that case. */
+ VLOG(errno == ENODEV ? VLL_INFO : VLL_ERR,
+ "ioctl(SIOCGIFHWADDR) on %s device failed: %s",
+ netdev_name, strerror(errno));
return errno;
}
hwaddr_family = ifr.ifr_hwaddr.sa_family;
return errno;
}
hwaddr_family = ifr.ifr_hwaddr.sa_family;