[ 3402.341446][T28699] gre: GRE over IPv4 demultiplexor driver
[ 3403.516339][T28723] ip_gre: GRE over IPv4 tunneling driver
[ 3438.952532][T29295] ip6_gre: GRE over IPv6 tunneling driver
[ 3448.446123][T29450] ping (29450) used greatest stack depth: 23360 bytes left
[ 3448.747201][T26303] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3463.531056][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3467.307079][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3470.571073][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3474.412081][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!