[ 3400.204440][T28908] gre: GRE over IPv4 demultiplexor driver
[ 3401.371582][T28932] ip_gre: GRE over IPv4 tunneling driver
[ 3436.981140][T29504] ip6_gre: GRE over IPv6 tunneling driver
[ 3438.251479][   T35] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3443.628451][   T35] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3456.461064][T29847] ping (29847) used greatest stack depth: 23360 bytes left
[ 3460.651372][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3464.364364][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3467.563401][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3471.404392][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!