[ 1546.878046][T25158] gre: GRE over IPv4 demultiplexer driver
[ 1547.384799][T25181] ip_gre: GRE over IPv4 tunneling driver
[ 1563.580585][T25753] ip6_gre: GRE over IPv6 tunneling driver
[ 1569.129515][T26002] ping (26002) used greatest stack depth: 22464 bytes left
[ 1574.071698][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1576.118695][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1577.975669][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1580.023678][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!