[ 1403.908730][T22248] gre: GRE over IPv4 demultiplexer driver
[ 1404.357814][T22271] ip_gre: GRE over IPv4 tunneling driver
[ 1419.833534][T22842] ip6_gre: GRE over IPv6 tunneling driver
[ 1424.093079][T23041] ping (23041) used greatest stack depth: 23984 bytes left
[ 1425.150080][T23091] ping (23091) used greatest stack depth: 23936 bytes left
[ 1427.081787][T23185] ping (23185) used greatest stack depth: 23392 bytes left
[ 1429.905067][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1431.890040][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1433.681044][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1435.665042][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!