[ 4349.107947][T28798] gre: GRE over IPv4 demultiplexer driver
[ 4350.911095][T28821] ip_gre: GRE over IPv4 tunneling driver
[ 4402.624666][T29394] ip6_gre: GRE over IPv6 tunneling driver
[ 4437.476493][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4442.852485][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4447.525386][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4453.092363][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!