[ 4379.872030][T29141] gre: GRE over IPv4 demultiplexer driver
[ 4381.530909][T29164] ip_gre: GRE over IPv4 tunneling driver
[ 4430.694911][T29735] ip6_gre: GRE over IPv6 tunneling driver
[ 4448.159109][T29053] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4464.926954][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4469.855994][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4474.206971][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4479.198954][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!