[ 1512.237874][T21229] gre: GRE over IPv4 demultiplexer driver
[ 1512.700685][T21252] ip_gre: GRE over IPv4 tunneling driver
[ 1528.460057][T21830] ip6_gre: GRE over IPv6 tunneling driver
[ 1530.125454][   T52] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1532.949447][T22029] ping (22029) used greatest stack depth: 23816 bytes left
[ 1534.044832][T22079] ping (22079) used greatest stack depth: 23776 bytes left
[ 1538.932380][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1540.916391][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1542.772370][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1544.756393][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!