[ 1462.194318][T30877] gre: GRE over IPv4 demultiplexer driver
[ 1462.665814][T30908] ip_gre: GRE over IPv4 tunneling driver
[ 1478.070826][T31483] ip6_gre: GRE over IPv6 tunneling driver
[ 1480.536656][ T7644] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1483.414341][T31732] ping (31732) used greatest stack depth: 23872 bytes left
[ 1488.129579][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1490.112587][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1491.904578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1493.888607][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1516.113963][  T492] ping (492) used greatest stack depth: 23816 bytes left