[ 3172.828148][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3174.407119][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3223.113157][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3244.186468][T24516] ping (24516) used greatest stack depth: 23648 bytes left
[ 3256.897748][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.762677][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3265.921654][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3270.849669][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!