[ 4438.048483][T29153] gre: GRE over IPv4 demultiplexer driver
[ 4439.728637][T29176] ip_gre: GRE over IPv4 tunneling driver
[ 4489.736902][T29748] ip6_gre: GRE over IPv6 tunneling driver
[ 4515.223529][T26456] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4524.311872][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4529.238907][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4533.590876][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4538.583871][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!