[ 2661.071760][T19286] gre: GRE over IPv4 demultiplexor driver
[ 2662.891111][T19309] ip_gre: GRE over IPv4 tunneling driver
[ 2716.289325][T19882] ip6_gre: GRE over IPv6 tunneling driver
[ 2753.469634][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2758.525542][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2762.877553][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2768.189532][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2845.278239][T21275] ping (21275) used greatest stack depth: 22368 bytes left