[ 4387.575064][T28704] gre: GRE over IPv4 demultiplexer driver
[ 4389.512347][T28727] ip_gre: GRE over IPv4 tunneling driver
[ 4440.773233][T29299] ip6_gre: GRE over IPv6 tunneling driver
[ 4479.322323][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4484.442263][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4488.794207][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4493.978190][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!