[ 3111.571869][T26325] gre: GRE over IPv4 demultiplexor driver
[ 3112.809433][T26349] ip_gre: GRE over IPv4 tunneling driver
[ 3152.458324][T26924] ip6_gre: GRE over IPv6 tunneling driver
[ 3159.094425][T13932] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3175.671253][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3179.575294][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3182.839271][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3186.550290][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!