[ 3181.712206][T27847] gre: GRE over IPv4 demultiplexor driver
[ 3182.876136][T27870] ip_gre: GRE over IPv4 tunneling driver
[ 3218.931784][T28442] ip6_gre: GRE over IPv6 tunneling driver
[ 3220.357402][T26141] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3234.021635][T28696] ping (28696) used greatest stack depth: 23360 bytes left
[ 3243.781661][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3247.557652][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.885660][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.724657][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.484410][T29834] ping (29834) used greatest stack depth: 22656 bytes left