[ 3209.300361][T25825] gre: GRE over IPv4 demultiplexor driver
[ 3211.670207][T25849] ip_gre: GRE over IPv4 tunneling driver
[ 3278.346785][T26423] ip6_gre: GRE over IPv6 tunneling driver
[ 3323.182087][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3329.580998][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3334.509988][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3340.716994][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3552.148255][T28892] ping (28892) used greatest stack depth: 23184 bytes left