[ 3388.800889][T28836] gre: GRE over IPv4 demultiplexor driver
[ 3389.933483][T28859] ip_gre: GRE over IPv4 tunneling driver
[ 3425.457311][T29433] ip6_gre: GRE over IPv6 tunneling driver
[ 3449.582317][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3453.294226][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3456.621346][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3460.397222][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3582.621461][T31946] ping (31946) used greatest stack depth: 22576 bytes left