[ 3191.970869][T28934] gre: GRE over IPv4 demultiplexor driver
[ 3193.152386][T28957] ip_gre: GRE over IPv4 tunneling driver
[ 3229.368804][T29536] ip6_gre: GRE over IPv6 tunneling driver
[ 3244.406701][T26243] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3253.430578][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.142567][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.406557][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.054561][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3278.802569][T30352] ping (30352) used greatest stack depth: 22704 bytes left