[ 4032.577842][T24655] gre: GRE over IPv4 demultiplexor driver
[ 4034.903535][T24679] ip_gre: GRE over IPv4 tunneling driver
[ 4099.004846][T25253] ip6_gre: GRE over IPv6 tunneling driver
[ 4125.566159][T25502] ping (25502) used greatest stack depth: 23360 bytes left
[ 4141.030507][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4147.110461][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4152.167407][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4158.119435][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4376.715394][T27807] ping (27807) used greatest stack depth: 22520 bytes left