[ 3946.194356][T20159] gre: GRE over IPv4 demultiplexor driver
[ 3948.407719][T20182] ip_gre: GRE over IPv4 tunneling driver
[ 4011.828271][T20753] ip6_gre: GRE over IPv6 tunneling driver
[ 4055.495922][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4061.831853][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4067.208830][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4073.479848][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!