ping: sendto: Invalid argument on CARP BACKUP

[ajr]

This is version 26.1.5
On BACKUP box, all outgoing traffic is blocked.
tcpdump -n -e -ttt -i pflog0 does not show any related violations.
192.168.178.1 is DSL Router.

Seems to be a new problem with 26.x.
Any help appreciated.

ajr

Code Select Expand

root@opn2:~/admin # ping 192.168.178.1
PING 192.168.178.1 (192.168.178.1): 56 data bytes
ping: sendto: Invalid argument
ping: sendto: Invalid argument
root@opn2:~ # ifconfig igb1
igb1: flags=1008943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500
description: WAN (wan)
options=4802028<VLAN_MTU,JUMBO_MTU,WOL_MAGIC,HWSTATS,MEXTPG>
ether 00:0d:b9:4f:fd:a1
inet 192.168.178.12 netmask 0xffffffff broadcast 192.168.178.12
inet 192.168.178.2 netmask 0xffffff00 broadcast 192.168.178.255 vhid 1
inet6 fe80::20d:b9ff:fe4f:fda1%igb1 prefixlen 64 scopeid 0x2
inet6 some_DTAG_IP6 prefixlen 64 autoconf pltime 1280 vltime 7200
inet6 fd77:8819:994b:0:20d:b9ff:fe4f:fda1 prefixlen 64 autoconf pltime 3600 vltime 7200
carp: BACKUP vhid 1 advbase 1 advskew 100
      peer 224.0.0.18 peer6 ff02::12
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
nd6 options=23<PERFORMNUD,ACCEPT_RTADV,AUTO_LINKLOCAL>
root@opn2:~ # pfctl -s nat
no nat proto carp all
nat on igb1 inet from ! <opn2_igb1_address> to any -> 192.168.178.2 port 1024:65535
nat on igb1 inet from <opn2_igb1_address> to any -> <opn2_igb1_address> port 1024:65535 round-robin
no rdr proto carp all
no rdr on igb0 proto tcp from any to (igb0) port = http
no rdr on igb0 proto tcp from any to (igb0) port = 44221
no rdr on igb0 proto tcp from any to (igb0) port = 44441
root@opn2:~ # tcpdump -nvs 300 -i igb1 not vrrp
tcpdump: listening on igb1, link-type EN10MB (Ethernet), snapshot length 300 bytes
16:20:29.133096 5c:6a:80:f5:84:a0 > ff:ff:ff:ff:ff:ff, Realtek unknown type 0x25
root@opn2:~ # route get 193.99.144.80
   route to: redirector.heise.de
destination: default
       mask: default
    gateway: 192.168.178.1
        fib: 0
  interface: igb1
      flags: <UP,GATEWAY,DONE,STATIC>
 recvpipe  sendpipe  ssthresh  rtt,msec    mtu        weight    expire
       0         0         0         0      1500         1         0