[ 3101.222347][T15835] gre: GRE over IPv4 demultiplexor driver
[ 3103.267977][T15859] ip_gre: GRE over IPv4 tunneling driver
[ 3165.406325][T16439] ip6_gre: GRE over IPv6 tunneling driver
[ 3207.875970][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3213.955767][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3218.948758][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3224.964763][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3374.346941][T18389] ping (18389) used greatest stack depth: 23184 bytes left