[ 4686.174317][T23199] gre: GRE over IPv4 demultiplexor driver
[ 4688.350805][T23222] ip_gre: GRE over IPv4 tunneling driver
[ 4754.621639][T23804] ip6_gre: GRE over IPv6 tunneling driver
[ 4799.957455][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4806.293392][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4811.541370][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4818.069385][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!