[ 3304.128933][T28951] gre: GRE over IPv4 demultiplexor driver
[ 3305.334287][T28974] ip_gre: GRE over IPv4 tunneling driver
[ 3345.196551][T29546] ip6_gre: GRE over IPv6 tunneling driver
[ 3375.090333][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3378.994201][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3382.515226][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3386.547202][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!