[ 3243.664164][T25075] gre: GRE over IPv4 demultiplexer driver
[ 3245.278170][T25098] ip_gre: GRE over IPv4 tunneling driver
[ 3294.174542][T25669] ip6_gre: GRE over IPv6 tunneling driver
[ 3322.555281][T26012] ping (26012) used greatest stack depth: 23264 bytes left
[ 3323.007638][T13207] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3327.678465][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.543457][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3336.766467][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3341.630468][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!