[ 4272.232227][T18772] gre: GRE over IPv4 demultiplexer driver
[ 4274.041372][T18795] ip_gre: GRE over IPv4 tunneling driver
[ 4327.188288][T19367] ip6_gre: GRE over IPv6 tunneling driver
[ 4350.317352][   T23] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4363.565219][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4368.877184][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4373.485214][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4378.797201][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!