[ 1742.947391][T28142] gre: GRE over IPv4 demultiplexer driver
[ 1743.441507][T28165] ip_gre: GRE over IPv4 tunneling driver
[ 1757.238360][T28678] ip (28678) used greatest stack depth: 23744 bytes left
[ 1759.497645][T28736] ip6_gre: GRE over IPv6 tunneling driver
[ 1763.987064][T28935] ping (28935) used greatest stack depth: 23664 bytes left
[ 1765.066093][T28985] ping (28985) used greatest stack depth: 22496 bytes left
[ 1769.978362][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1771.963306][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1773.819309][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1775.866319][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!