Am 2017-12-26 19:41, schrieb Miroslav Rovis:
> What ethers you have? Try:
>
> # ip l show

$ ip l show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode 
DEFAULT group default qlen 1
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast 
state DOWN mode DEFAULT group default qlen 1000
     link/ether 3c:97:0e:cb:ce:d7 brd ff:ff:ff:ff:ff:ff
3: wwan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode 
DEFAULT group default qlen 1000
     link/ether 26:77:58:61:50:ac brd ff:ff:ff:ff:ff:ff
4: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
mode DORMANT group default qlen 1000
     link/ether 6c:88:14:9d:7d:70 brd ff:ff:ff:ff:ff:ff

eth0 works normal in network-manager. The error is only during boot. I'm
wondering why ifup tries to activate eth0, since this is not in
/etc/network/interfaces. Where does this info come from, that it should
enable eth0? Does it come from udevd?