[ 3191.085131][T27761] gre: GRE over IPv4 demultiplexor driver
[ 3192.277583][T27784] ip_gre: GRE over IPv4 tunneling driver
[ 3228.912258][T28364] ip6_gre: GRE over IPv6 tunneling driver
[ 3238.717815][T26080] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3243.855666][T28613] ping (28613) used greatest stack depth: 23296 bytes left
[ 3253.693652][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.533644][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.926648][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.830645][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!