if (ucred->pid == 0)
auth = true;
else
- log_debug("rtnl: ignoring message from pid %u", ucred->pid);
+ log_debug("rtnl: ignoring message from PID "PID_FMT, ucred->pid);
} else if (cmsg->cmsg_level == SOL_NETLINK &&
cmsg->cmsg_type == NETLINK_PKTINFO &&
cmsg->cmsg_len == CMSG_LEN(sizeof(struct nl_pktinfo))) {