[ 3182.767746][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3184.450757][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3232.800959][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3253.501207][T24523] ping (24523) used greatest stack depth: 23648 bytes left
[ 3266.213726][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3271.077627][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3275.237655][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3280.100652][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!