[ 4715.363796][T24767] gre: GRE over IPv4 demultiplexor driver
[ 4717.688378][T24790] ip_gre: GRE over IPv4 tunneling driver
[ 4748.032794][T25043] ping (25043) used greatest stack depth: 23360 bytes left
[ 4785.950676][T25364] ip6_gre: GRE over IPv6 tunneling driver
[ 4832.543784][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4838.944687][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4844.255678][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4850.783692][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!