[ 3398.953207][T31561] gre: GRE over IPv4 demultiplexor driver
[ 3400.171035][T31585] ip_gre: GRE over IPv4 tunneling driver
[ 3436.404390][T32158] ip6_gre: GRE over IPv6 tunneling driver
[ 3448.568799][T18947] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3451.075405][T32407] ping (32407) used greatest stack depth: 23632 bytes left
[ 3451.447117][T20064] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3453.815732][T20430] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3460.598563][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3464.375605][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3467.638603][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3471.350590][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3558.796413][ T1644] ping (1644) used greatest stack depth: 23040 bytes left