[ 3377.772547][T30233] gre: GRE over IPv4 demultiplexor driver
[ 3378.920103][T30256] ip_gre: GRE over IPv4 tunneling driver
[ 3414.767476][T30828] ip6_gre: GRE over IPv6 tunneling driver
[ 3421.554638][T30928] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3426.583659][T31028] ping (31028) used greatest stack depth: 23584 bytes left
[ 3429.554931][T31078] ping (31078) used greatest stack depth: 23296 bytes left
[ 3439.473523][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3443.441482][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3446.833462][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3450.865452][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!