[ 1477.517546][ T4736] gre: GRE over IPv4 demultiplexer driver
[ 1477.970924][ T4759] ip_gre: GRE over IPv4 tunneling driver
[ 1495.245776][ T5335] ip6_gre: GRE over IPv6 tunneling driver
[ 1499.592062][ T2869] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1506.944960][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1508.927970][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.847986][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1513.023968][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!