[ 4254.671663][T20442] gre: GRE over IPv4 demultiplexor driver [ 4256.751790][T20465] ip_gre: GRE over IPv4 tunneling driver [ 4317.922342][T21038] ip6_gre: GRE over IPv6 tunneling driver [ 4360.090916][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4365.913871][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4370.841855][ C2] ip6_tunnel: tep0 xmit: Local address not yet configured! [ 4376.794849][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured!