[ 4500.806059][T29651] gre: GRE over IPv4 demultiplexer driver
[ 4502.532332][T29674] ip_gre: GRE over IPv4 tunneling driver
[ 4553.637465][T30246] ip6_gre: GRE over IPv6 tunneling driver
[ 4588.916264][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4594.164192][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4598.644204][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4603.764212][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!