[ 3142.818999][T21099] gre: GRE over IPv4 demultiplexor driver
[ 3144.014198][T21122] ip_gre: GRE over IPv4 tunneling driver
[ 3147.947000][T21188] ping (21188) used greatest stack depth: 23640 bytes left
[ 3180.006449][T21702] ip6_gre: GRE over IPv6 tunneling driver
[ 3195.013581][T21959] ping (21959) used greatest stack depth: 23632 bytes left
[ 3200.436687][T22053] ping (22053) used greatest stack depth: 23360 bytes left
[ 3204.728391][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3208.504430][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3211.832303][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3215.608327][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!