[ 3158.390820][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3160.012876][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3209.024597][T24265] ip6_gre: GRE over IPv6 tunneling driver
[ 3237.430083][T24608] ping (24608) used greatest stack depth: 23648 bytes left
[ 3242.580951][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.507847][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.668880][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3256.660818][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!