[ 4279.116686][T20279] gre: GRE over IPv4 demultiplexor driver
[ 4281.171234][T20303] ip_gre: GRE over IPv4 tunneling driver
[ 4342.431199][T20877] ip6_gre: GRE over IPv6 tunneling driver
[ 4386.056666][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4392.071560][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4397.128556][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4403.207599][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!