[ 1311.973366][T23201] gre: GRE over IPv4 demultiplexer driver
[ 1312.508866][T23224] ip_gre: GRE over IPv4 tunneling driver
[ 1328.331833][T23797] ip6_gre: GRE over IPv6 tunneling driver
[ 1333.833693][T24046] ping (24046) used greatest stack depth: 23072 bytes left
[ 1338.753467][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1340.737443][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1342.594439][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1344.642433][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!