[ 1506.790464][T26012] gre: GRE over IPv4 demultiplexer driver
[ 1507.217556][T26035] ip_gre: GRE over IPv4 tunneling driver
[ 1522.628219][T26609] ip6_gre: GRE over IPv6 tunneling driver
[ 1532.744004][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1534.728986][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1536.519981][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1538.503998][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1543.408657][T27429] ping (27429) used greatest stack depth: 23504 bytes left
[ 1589.556761][T29124] ping (29124) used greatest stack depth: 23360 bytes left