[ 4167.068682][T28771] gre: GRE over IPv4 demultiplexer driver
[ 4168.740696][T28794] ip_gre: GRE over IPv4 tunneling driver
[ 4219.090128][T29372] ip6_gre: GRE over IPv6 tunneling driver
[ 4253.315132][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4258.435105][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4262.787065][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4267.716087][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!