[ 3172.222822][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3173.819443][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3222.379961][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3243.454327][T19908] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3255.550154][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.350170][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3264.509181][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3269.374175][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!