[ 4499.985795][T28729] gre: GRE over IPv4 demultiplexer driver
[ 4501.609913][T28752] ip_gre: GRE over IPv4 tunneling driver
[ 4551.427637][T29324] ip6_gre: GRE over IPv6 tunneling driver
[ 4585.575496][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4590.502146][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4594.790179][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4599.718180][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!