406 	    warn("Couldn't make tty exclusive: %m");  in tty_establish_ppp()
442 	    warn("Couldn't reset tty to normal line discipline: %m");  in tty_establish_ppp()
477 	    warn("Couldn't set /dev/ppp (channel) to nonblock: %m");  in generic_establish_ppp()
523 		warn("Couldn't set device to non-blocking mode: %m");  in generic_establish_ppp()
557 	    warn("tcflush failed: %m");  in tty_disestablish_ppp()
570 		warn("ioctl(TIOCNXCL): %m (line %d)", __LINE__);  in tty_disestablish_ppp()
576 		warn("Couldn't restore device fd flags: %m");  in tty_disestablish_ppp()
631 		warn("Couldn't set /dev/ppp to nonblock: %m");  in make_ppp_unit()
636 		warn("Couldn't allocate PPP unit %d as it is already in use", req_unit);  in make_ppp_unit()
762 		warn("Receive serial link is not 8-bit clean:");  in clean_check()
763 		warn("Problem: %s", s);  in clean_check()
872 	warn("speed %d not supported", bps);  in translate_speed()
1004 		warn("tcsetattr: %m (line %d)", __LINE__);  in restore_tty()
1034 	    warn("write: warning: %m (%d)", errno);  in output()
1225 	    warn("ioctl(set extended ACCM): %m (line %d)", __LINE__);  in tty_set_xaccm()
1308 			warn("kernel does not support PPP filtering");  in set_filters()
1732 		warn("ioctl(SIOCDARP): %m");  in cifproxyarp()
1899 	    warn("ioctl(SIOCGIFCONF): %m (line %d)", __LINE__);  in GetMask()
2207 	    warn("error writing %s: %m", _PATH_WTMP);  in logwtmp()
2326 	    warn("ioctl(SIOCSIFADDR): Address already exists");  in sifaddr()
2534 	    warn("cif6addr: ioctl(SIOCDIFADDR): No such address");  in cif6addr()
2570 		warn("Couldn't unlock pty slave %s: %m", pty_name);
2573 		warn("Couldn't open pty slave %s: %m", pty_name);
2610 	    warn("couldn't set attributes on pty: %m");
2612 	warn("couldn't get attributes on pty: %m");
2646 	warn("couldn't set master loopback to nonblock: %m");  in open_ppp_loopback()
2651 	warn("couldn't set slave loopback to nonblock: %m");  in open_ppp_loopback()
2732 		warn("ioctl(SIOCSIFADDR, CRTITF): Address already exists");  in sipxfaddr()
2830 	warn("Warning: multilink is not supported by the kernel driver");  in sys_check_options()
2854         warn("could not open IPv6 socket");  in ether_to_eui64()
2862         warn("could not obtain hardware address for eth0");  in ether_to_eui64()