[ 4356.494398][T29181] gre: GRE over IPv4 demultiplexer driver
[ 4358.159933][T29204] ip_gre: GRE over IPv4 tunneling driver
[ 4408.454701][T29788] ip6_gre: GRE over IPv6 tunneling driver
[ 4426.213043][T28668] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4430.453766][T30037] ping (30037) used greatest stack depth: 23440 bytes left
[ 4443.492942][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4448.676933][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4453.156916][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4458.212931][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!