[ 4477.534116][T25924] gre: GRE over IPv4 demultiplexor driver
[ 4479.650209][T25947] ip_gre: GRE over IPv4 tunneling driver
[ 4545.305039][T26520] ip6_gre: GRE over IPv6 tunneling driver
[ 4593.396520][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4599.283428][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4604.211436][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4610.228417][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!