[ 2161.872468][T17619] gre: GRE over IPv4 demultiplexor driver
[ 2163.595760][T17642] ip_gre: GRE over IPv4 tunneling driver
[ 2218.632903][T18213] ip6_gre: GRE over IPv6 tunneling driver
[ 2256.053753][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2261.173641][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2265.461651][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2270.837637][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!