[ 2174.666157][T17627] gre: GRE over IPv4 demultiplexor driver
[ 2176.336277][T17650] ip_gre: GRE over IPv4 tunneling driver
[ 2228.950332][T18221] ip6_gre: GRE over IPv6 tunneling driver
[ 2265.576908][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2270.697809][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2275.112801][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2280.232808][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!