[ 1428.659241][ T5463] gre: GRE over IPv4 demultiplexer driver
[ 1429.081340][ T5486] ip_gre: GRE over IPv4 tunneling driver
[ 1444.790596][ T6067] ip6_gre: GRE over IPv6 tunneling driver
[ 1452.241106][ T6411] ping (6411) used greatest stack depth: 23320 bytes left
[ 1452.369696][ T5565] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1455.122578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1457.105576][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1458.962575][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1461.010578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!