[ 3189.338281][T27837] gre: GRE over IPv4 demultiplexor driver
[ 3190.435656][T27860] ip_gre: GRE over IPv4 tunneling driver
[ 3226.200733][T28432] ip6_gre: GRE over IPv6 tunneling driver
[ 3246.719236][T26754] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3250.556675][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.332674][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.596681][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.372691][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!