[ 2638.684728][T19283] gre: GRE over IPv4 demultiplexor driver
[ 2640.429292][T19307] ip_gre: GRE over IPv4 tunneling driver
[ 2694.868611][T19878] ip6_gre: GRE over IPv6 tunneling driver
[ 2732.650645][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2738.026569][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2742.635556][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2748.202550][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!