[ 1667.566512][ T3977] gre: GRE over IPv4 demultiplexer driver
[ 1668.011694][ T4000] ip_gre: GRE over IPv4 tunneling driver
[ 1683.597175][ T4572] ip6_gre: GRE over IPv6 tunneling driver
[ 1693.818741][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1695.803712][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1697.594708][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1699.578720][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!