[ 3340.097487][T24837] gre: GRE over IPv4 demultiplexer driver
[ 3341.716222][T24860] ip_gre: GRE over IPv4 tunneling driver
[ 3390.349429][T25433] ip6_gre: GRE over IPv6 tunneling driver
[ 3423.425971][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3428.224911][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3432.448890][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3437.569895][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!