[ 4371.622512][T29196] gre: GRE over IPv4 demultiplexer driver
[ 4373.300481][T29219] ip_gre: GRE over IPv4 tunneling driver
[ 4422.849294][T29792] ip6_gre: GRE over IPv6 tunneling driver
[ 4456.743304][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4461.736206][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4465.959190][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4470.951221][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!