[  530.953247][ T1912] gre: GRE over IPv4 demultiplexor driver
[  532.618228][ T1931] ip (1931) used greatest stack depth: 23984 bytes left
[  533.240789][ T1935] ip_gre: GRE over IPv4 tunneling driver
[  537.052082][ T1978] ip (1978) used greatest stack depth: 23392 bytes left
[  599.968621][ T2508] ip6_gre: GRE over IPv6 tunneling driver
[  645.167244][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  651.439175][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  656.815194][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[  663.024184][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!