[ 4399.389934][T29656] gre: GRE over IPv4 demultiplexer driver
[ 4401.118481][T29679] ip_gre: GRE over IPv4 tunneling driver
[ 4451.506832][T30250] ip6_gre: GRE over IPv6 tunneling driver
[ 4486.631921][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4491.558826][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4495.910800][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4500.902809][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!