[ 1451.278782][T26009] gre: GRE over IPv4 demultiplexer driver
[ 1451.687446][T26032] ip_gre: GRE over IPv4 tunneling driver
[ 1466.847049][T26605] ip6_gre: GRE over IPv6 tunneling driver
[ 1472.053842][T26854] ping (26854) used greatest stack depth: 23888 bytes left
[ 1474.094039][   T34] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1476.742965][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1478.662969][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1480.454967][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1482.438974][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1502.504070][T27992] ping (27992) used greatest stack depth: 23816 bytes left
[ 1533.058992][T29137] ping (29137) used greatest stack depth: 23312 bytes left