[ 3091.654313][T17231] gre: GRE over IPv4 demultiplexor driver
[ 3093.808912][T17254] ip_gre: GRE over IPv4 tunneling driver
[ 3155.963797][T17834] ip6_gre: GRE over IPv6 tunneling driver
[ 3191.998398][T18178] ping (18178) used greatest stack depth: 23632 bytes left
[ 3197.907545][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3203.795525][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3208.659475][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3214.740452][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!