[ 4275.324684][T20188] gre: GRE over IPv4 demultiplexor driver
[ 4277.359675][T20212] ip_gre: GRE over IPv4 tunneling driver
[ 4338.984284][T20793] ip6_gre: GRE over IPv6 tunneling driver
[ 4381.360689][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4387.311605][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4392.431590][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4398.576591][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!