Mon Nov 25 12:16:43 2019 us=812539 Tried opening /dev/tun0 (failed): No such file or directory (errno=2)
Mon Nov 25 12:16:43 2019 us=812578 Tried opening /dev/tun1 (failed): No such file or directory (errno=2)
Mon Nov 25 12:16:43 2019 us=812610 Tried opening /dev/tun2 (failed): No such file or directory (errno=2)
....cut
Mon Nov 25 12:16:43 2019 us=822732 Tried opening /dev/tun254 (failed): No such file or directory (errno=2)
Mon Nov 25 12:16:43 2019 us=822778 Tried opening /dev/tun255 (failed): No such file or directory (errno=2)
Mon Nov 25 12:16:43 2019 us=822800 Cannot allocate TUN/TAP dev dynamically
Mon Nov 25 12:16:43 2019 us=822829 Exiting due to fatal error
# ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff000000
groups: lo
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
epair0b: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8<VLAN_MTU>
ether xxx.xxx.xxx.xxx
hwaddr xxx.xxx.xxx.xxx
inet xxx.xxx.xxx.xxx netmask 0xff000000 broadcast xxx.xxx.xxx.xxx
groups: epair
media: Ethernet 10Gbase-T (10Gbase-T <full-duplex>)
status: active
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
tun256: flags=8010<POINTOPOINT,MULTICAST> metric 0 mtu 1500
options=80000<LINKSTATE>
groups: tun
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>