[ 4328.676170][T29211] gre: GRE over IPv4 demultiplexer driver
[ 4330.255134][T29234] ip_gre: GRE over IPv4 tunneling driver
[ 4377.975376][T29806] ip6_gre: GRE over IPv6 tunneling driver
[ 4405.400891][T30149] ping (30149) used greatest stack depth: 23648 bytes left
[ 4410.452809][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4415.189706][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4419.220718][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4424.020730][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!