[ 4257.919693][T20815] gre: GRE over IPv4 demultiplexor driver
[ 4260.080938][T20839] ip_gre: GRE over IPv4 tunneling driver
[ 4322.973807][T21416] ip6_gre: GRE over IPv6 tunneling driver
[ 4365.275957][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4371.226939][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4376.154903][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4382.042865][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!