[ 1759.484836][T24238] gre: GRE over IPv4 demultiplexer driver
[ 1760.006544][T24261] ip_gre: GRE over IPv4 tunneling driver
[ 1775.916177][T24835] ip6_gre: GRE over IPv6 tunneling driver
[ 1781.528019][T25084] ping (25084) used greatest stack depth: 23712 bytes left
[ 1781.674702][   T10] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1782.459261][T25128] ping (25128) used greatest stack depth: 23296 bytes left
[ 1783.560364][T25178] ping (25178) used greatest stack depth: 23072 bytes left
[ 1786.411314][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1788.459310][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1790.315316][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1792.363312][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!