[ 4402.620379][T26122] gre: GRE over IPv4 demultiplexor driver
[ 4404.518110][T26145] ip_gre: GRE over IPv4 tunneling driver
[ 4462.956046][T26718] ip6_gre: GRE over IPv6 tunneling driver
[ 4503.893592][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4509.589540][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4514.388515][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4520.084527][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!