Package: ipv6toolkit
Version: 2.0+ds.1-1
Severity: grave
Justification: renders package unusable
X-Debbugs-Cc: t...@mirbsd.de
Control: forwarded -1 https://github.com/fgont/ipv6toolkit/issues/78

$ sudo tcp6 -i eth1 -d fec0::1 -y 500 -a 13 -P 600
Error while performing Neighbor Discovery for the Destination Address
Error while learning Souce Address and Next Hop
$ sudo udp6 -i eth1 -d fe80::5054:ff:fe76:ba6 -y 500 -a 13 -P 600 -s 
fe80::5054:ff:feb7:47b9
Error while performing Neighbor Discovery for the Destination Address
Error while learning Souce Address and Next Hop

Background info:

$ ip a show dev eth1
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc jhtb state UP group 
default qlen 1000
    link/ether 52:54:00:b7:47:b9 brd ff:ff:ff:ff:ff:ff
    altname enp0s7
    altname ens7
    inet 10.82.222.130/25 brd 10.82.222.255 scope global eth1
       valid_lft forever preferred_lft forever
    inet6 fec0::2/64 scope site 
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:feb7:47b9/64 scope link 
       valid_lft forever preferred_lft forever
$ ping6 fec0::1
PING fec0::1(fec0::1) 56 data bytes
64 bytes from fec0::1: icmp_seq=1 ttl=64 time=0.477 ms
64 bytes from fec0::1: icmp_seq=2 ttl=64 time=0.353 ms
^C
--- fec0::1 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.353/0.415/0.477/0.062 ms


I suspect that this broke with the upgrade from buster to bullseye
because it worked in one direction (fec0::2→1) before whereas the
other didn’t (fec0::1 already ran bullseye).

Downgrading just the ipv6toolkit package did not help.


-- System Information:
Debian Release: 11.4
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-16-amd64 (SMP w/3 CPU threads)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=C.UTF-8, LC_CTYPE=C.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/lksh
Init: sysvinit (via /sbin/init)

Versions of packages ipv6toolkit depends on:
ii  ieee-data   20210605.1
ii  libc6       2.31-13+deb11u3
ii  libpcap0.8  1.10.0-2

ipv6toolkit recommends no packages.

ipv6toolkit suggests no packages.

-- no debconf information

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