[ 4324.056350][T20162] gre: GRE over IPv4 demultiplexor driver
[ 4326.177268][T20185] ip_gre: GRE over IPv4 tunneling driver
[ 4388.669414][T20763] ip6_gre: GRE over IPv6 tunneling driver
[ 4430.971871][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.859766][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.788784][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4447.803806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!