[ 3074.512343][T17197] gre: GRE over IPv4 demultiplexor driver
[ 3076.593012][T17220] ip_gre: GRE over IPv4 tunneling driver
[ 3138.437006][T17794] ip6_gre: GRE over IPv6 tunneling driver
[ 3180.589243][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3186.733183][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3191.661170][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3197.741183][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!