On Fri, 20 Jan 2012 05:12:33 -0500
nick black <[email protected]> wrote:

> Package: iproute
> Version: 20120105-1
> Severity: normal
> 
> Dear Maintainer,
> 
> "ip l" started failing a few weeks ago:
> 
> [skynet](0) $ ip -o l
> RTNETLINK answers: No such file or directory
> Error talking to the kernel
> [skynet](1) $
> 
> oddly enough, "ip link" operates as expected:
> 
> [skynet](1) $ ip -o link
> 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \
> link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
> 2: eth0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc mq state UP
> qlen 1000\    link/ether 00:25:22:bc:b1:00 brd ff:ff:ff:ff:ff:ff
> 3: e100: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000\
> link/ether 00:07:e9:09:c5:23 brd ff:ff:ff:ff:ff:ff
> 4: irda0: <NOARP,PROMISC,UP,LOWER_UP> mtu 2048 qdisc pfifo_fast state UNKNOWN
> qlen 8\    link/irda c3:20:b8:be brd ff:ff:ff:ff
> 5: wlan1: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UP qlen 1000\    link/ether 00:c0:ca:4f:e3:b2 brd ff:ff:ff:ff:ff:ff
> 6: tap0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
> state UNKNOWN qlen 100\    link/ether c6:34:c1:4a:ff:54 brd ff:ff:ff:ff:ff:ff
> [skynet](0) $
> 
> The failure seemed to be concurrent with the replacement of libnl-3 with
> libnl-3-200, though the current ip(8) doesn't appear to be linked to libnl at
> all. Perhaps the old one was? Regardless, "ip l" used to work exactly link "ip
> link". Note that "ip a", for instance, works like "ip addr".
>

The command 'ip l' is now ambiguous. The addition of l2tp support added:
  ip l2tp ...
which overlaps 'ip link'




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