[ 3260.670886][T26274] gre: GRE over IPv4 demultiplexor driver
[ 3261.857572][T26298] ip_gre: GRE over IPv4 tunneling driver
[ 3297.739329][T26870] ip6_gre: GRE over IPv6 tunneling driver
[ 3299.190491][T19855] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3322.102361][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3325.878377][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3329.207378][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.982359][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3357.393617][T27789] ping (27789) used greatest stack depth: 23072 bytes left