[ 4345.269188][T21545] gre: GRE over IPv4 demultiplexor driver
[ 4347.358667][T21569] ip_gre: GRE over IPv4 tunneling driver
[ 4409.892514][T22141] ip6_gre: GRE over IPv6 tunneling driver
[ 4453.166345][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.118232][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4464.174241][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4469.999223][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!