[ 4017.298540][T20400] gre: GRE over IPv4 demultiplexer driver
[ 4018.963040][T20423] ip_gre: GRE over IPv4 tunneling driver
[ 4068.279744][T20994] ip6_gre: GRE over IPv6 tunneling driver
[ 4101.770770][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4106.826493][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4111.051508][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4115.979489][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!