[ 4426.514065][T22430] gre: GRE over IPv4 demultiplexor driver
[ 4428.555103][T22453] ip_gre: GRE over IPv4 tunneling driver
[ 4488.989095][T23030] ip6_gre: GRE over IPv6 tunneling driver
[ 4531.828422][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4537.844321][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4542.837329][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4548.788315][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4637.456822][T24417] ping (24417) used greatest stack depth: 22232 bytes left