[ 4645.242885][T23242] gre: GRE over IPv4 demultiplexor driver
[ 4647.683089][T23272] ip_gre: GRE over IPv4 tunneling driver
[ 4713.095418][T23846] ip6_gre: GRE over IPv6 tunneling driver
[ 4758.472084][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4764.873020][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4770.184009][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4776.520027][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4872.767813][T25234] ping (25234) used greatest stack depth: 22400 bytes left