[ 1472.055593][T16042] gre: GRE over IPv4 demultiplexer driver
[ 1472.635191][T16065] ip_gre: GRE over IPv4 tunneling driver
[ 1479.986579][T16320] ping (16320) used greatest stack depth: 23328 bytes left
[ 1491.507639][T16647] ip6_gre: GRE over IPv6 tunneling driver
[ 1500.821495][T16991] ping (16991) used greatest stack depth: 23152 bytes left
[ 1500.975816][T16145] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1500.999723][T16126] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1503.943673][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1506.055668][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1507.974722][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.278693][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!