[ 3221.324611][T27983] gre: GRE over IPv4 demultiplexor driver
[ 3222.559999][T28006] ip_gre: GRE over IPv4 tunneling driver
[ 3260.346524][T28580] ip6_gre: GRE over IPv6 tunneling driver
[ 3276.910007][T27034] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3279.788504][T27034] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3286.893369][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.732388][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3294.060371][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3297.837379][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!