В какой-то момент перестал работать OpenVPN. Как выяснилось не стал подниматься tun интерфейс(нет в выводе ifconfig).
Как-то странно выходит, потому что:
Tue Dec 20 11:40:37 2011 OpenVPN 2.1.3 x86_64-pc-linux-gnu [SSL] [LZO2] [EPOLL] [PKCS11] [MH] [PF_INET6] [eurephia] built on Mar 11 2011
Tue Dec 20 11:40:37 2011 WARNING: Make sure you understand the semantics of --tls-remote before using it (see the man page).
Tue Dec 20 11:40:37 2011 NOTE: the current --script-security setting may allow this configuration to call user-defined scripts
Tue Dec 20 11:40:37 2011 /usr/bin/openssl-vulnkey -q -b 2048 -m <modulus omitted>
Tue Dec 20 11:40:37 2011 Control Channel Authentication: using '<path>/ta.key' as a OpenVPN static key file
Tue Dec 20 11:40:37 2011 Outgoing Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
Tue Dec 20 11:40:37 2011 Incoming Control Channel Authentication: Using 160 bit message hash 'SHA1' for HMAC authentication
Tue Dec 20 11:40:37 2011 LZO compression initialized
Tue Dec 20 11:40:37 2011 Control Channel MTU parms [ L:1542 D:166 EF:66 EB:0 ET:0 EL:0 ]
Tue Dec 20 11:40:37 2011 Socket Buffers: R=[126976->131072] S=[126976->131072]
Tue Dec 20 11:40:37 2011 Data Channel MTU parms [ L:1542 D:1450 EF:42 EB:135 ET:0 EL:0 AF:3/1 ]
Tue Dec 20 11:40:37 2011 Local Options hash (VER=V4): '504e774e'
Tue Dec 20 11:40:37 2011 Expected Remote Options hash (VER=V4): '14168603'
Tue Dec 20 11:40:37 2011 UDPv4 link local: [undef]
Tue Dec 20 11:40:37 2011 UDPv4 link remote: [AF_INET]<ip>:33096
Tue Dec 20 11:40:37 2011 TLS: Initial packet from [AF_INET]<ip>:33096, sid=4d900209 19009c1a
Tue Dec 20 11:40:37 2011 WARNING: this configuration may cache passwords in memory -- use the auth-nocache option to prevent this
Tue Dec 20 11:40:38 2011 VERIFY OK: depth=2, /C=RU/L=Moscow/O=<private>/OU=Security/CN=<private>/emailAddress=<private>
Tue Dec 20 11:40:38 2011 VERIFY OK: depth=1, /C=RU/L=Moscow/O=<private>/OU=Security/CN=<private>/emailAddress=<private>
Tue Dec 20 11:40:38 2011 VERIFY X509NAME OK: /C=RU/L=Moscow/O=<private>/OU=IT/CN=VPN1/emailAddress=<private>
Tue Dec 20 11:40:38 2011 VERIFY OK: depth=0, /C=RU/L=Moscow/O=<private>/OU=IT/CN=VPN1/emailAddress=<private>