[ 2165.843990][T17618] gre: GRE over IPv4 demultiplexor driver
[ 2167.571428][T17641] ip_gre: GRE over IPv4 tunneling driver
[ 2220.074920][T18213] ip6_gre: GRE over IPv6 tunneling driver
[ 2257.593324][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2262.777307][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2267.257212][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2272.506325][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!