[ 4414.878286][T26073] gre: GRE over IPv4 demultiplexor driver
[ 4416.913789][T26096] ip_gre: GRE over IPv4 tunneling driver
[ 4479.409903][T26677] ip6_gre: GRE over IPv6 tunneling driver
[ 4481.235250][T26688] ping (26688) used greatest stack depth: 23360 bytes left
[ 4528.879696][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.303437][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4542.384476][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4549.103428][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!