[ 4616.062255][T19538] gre: GRE over IPv4 demultiplexor driver
[ 4618.372858][T19562] ip_gre: GRE over IPv4 tunneling driver
[ 4685.340579][T20134] ip6_gre: GRE over IPv6 tunneling driver
[ 4732.468684][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4738.868499][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4744.307496][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4750.707471][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!