[ 1320.748651][T24938] gre: GRE over IPv4 demultiplexer driver
[ 1321.260796][T24961] ip_gre: GRE over IPv4 tunneling driver
[ 1337.095908][T25532] ip6_gre: GRE over IPv6 tunneling driver
[ 1342.664693][T25781] ping (25781) used greatest stack depth: 23712 bytes left
[ 1343.580664][T25825] ping (25825) used greatest stack depth: 22592 bytes left
[ 1344.853621][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1347.542545][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1349.526542][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1351.382544][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1353.430540][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!