[ 1478.228310][T12961] gre: GRE over IPv4 demultiplexer driver
[ 1478.722390][T12984] ip_gre: GRE over IPv4 tunneling driver
[ 1495.517966][T13555] ip6_gre: GRE over IPv6 tunneling driver
[ 1506.505417][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1508.618383][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1510.537383][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1512.649386][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!