[ 3677.453930][T25956] gre: GRE over IPv4 demultiplexor driver
[ 3679.550506][T25979] ip_gre: GRE over IPv4 tunneling driver
[ 3740.617118][T26551] ip6_gre: GRE over IPv6 tunneling driver
[ 3782.142987][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3788.029884][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3792.893898][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3798.781893][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3887.546433][T27933] ping (27933) used greatest stack depth: 21856 bytes left