[ 3180.343369][T26297] gre: GRE over IPv4 demultiplexor driver
[ 3181.470316][T26321] ip_gre: GRE over IPv4 tunneling driver
[ 3216.112836][T26896] ip6_gre: GRE over IPv6 tunneling driver
[ 3222.459397][T17963] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3230.066147][T27146] ping (27146) used greatest stack depth: 23360 bytes left
[ 3239.418165][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.130177][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3246.267179][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3249.914167][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!