[ 3180.458745][T27773] gre: GRE over IPv4 demultiplexor driver
[ 3181.652969][T27796] ip_gre: GRE over IPv4 tunneling driver
[ 3217.270448][T28370] ip6_gre: GRE over IPv6 tunneling driver
[ 3237.554084][T19817] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3241.374341][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3245.085333][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3248.285348][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3252.061344][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!