[ 3086.296887][T19292] gre: GRE over IPv4 demultiplexor driver
[ 3088.444127][T19315] ip_gre: GRE over IPv4 tunneling driver
[ 3150.300579][T19887] ip6_gre: GRE over IPv6 tunneling driver
[ 3193.648366][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3199.727306][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3204.847317][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3211.056297][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!