[ 4325.716073][T20142] gre: GRE over IPv4 demultiplexor driver
[ 4327.798523][T20165] ip_gre: GRE over IPv4 tunneling driver
[ 4390.154836][T20736] ip6_gre: GRE over IPv6 tunneling driver
[ 4432.874838][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4438.954725][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4444.138740][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4450.154716][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!