[ 3371.447879][T31449] gre: GRE over IPv4 demultiplexor driver
[ 3372.568475][T31473] ip_gre: GRE over IPv4 tunneling driver
[ 3405.849573][T32047] ip6_gre: GRE over IPv6 tunneling driver
[ 3409.865536][T26168] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3420.041301][T26141] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3428.872235][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3431.688443][T32484] ping (32484) used greatest stack depth: 23024 bytes left
[ 3432.648259][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3435.912262][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3439.753252][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!